For this 2025 edition of the European Heritage Days, on Saturday September 20 and Sunday September 21, why not get off the beaten track? In addition to the must-sees, discover the hidden places in Paris that often remain in the shadows. Little-known historic sites, discreet monuments and even places normally closed to the public open their doors to you for an exceptional weekend.
What are these little-known places that are a must-see? Did you think you knew Paris inside and out? The " Journées du Patrimoine" (Heritage Days ) are full of surprises, with some nuggets that are well worth the detour. It's an opportunity to discover historical and cultural buildings that are often overlooked by the general public. These include private buildings, mansions, secret gardens and rarely-exhibited archives and collections.
Île-de-France also abounds in hidden heritage treasures. Little-visited old monuments, historic homes, discreet churches and confidential museums just waiting to be discovered. This edition of the Journées du Patrimoine 2025 invites you to explore these often overlooked gems, tucked away in the region's small communes.
Don't know about these secret places? We're here to help you discover them! To mark the occasion, we've put together a selection that should enrich your culture of Paris and the Ile-de-France. The European Heritage Days are an opportunity to visit sites you've never seen before, places that aren't usually open to the public. Thought you knew everything there was to know about Paris and the surrounding area? Prepare to be surprised...
To make sure you don't miss out on any of the secret places to discover during the Journées du Patrimoine 2025 in Paris and the Île-de-France region, we recommend that you treasure this page and consult it regularly.



Heritage Days 2025 in Houdan (78): the program in the medieval town
In the heart of the Yvelines region, you'll find a pretty medieval town, which still conceals many vestiges of the Middle Ages, including a keep, fortifications and old inns. Come and discover them in Houdan during the Journées du Patrimoine (Heritage Days) on September 20 and 21, 2025! Here's what's in store for you over the weekend. [Read more]



Journées du Patrimoine 2025: the program at Claude Monet's Maison Impressionniste in Argenteuil (95)
For the Journées du Patrimoine 2025, Claude Monet's Maison Impressionniste welcomes you to Argenteuil on September 20 and 21, 2025. [Read more]



Journées du Patrimoine 2025: the program of visits to Saint-Denis (93)
Saint-Denis is surely one of the most captivating towns in Seine-Saint-Denis, with many sites to visit during the Heritage Days on September 20 and 21, 2025. [Read more]



Journées du Patrimoine 2025 in Paris: the program at Cité Falguière, an artistic hidden treasure
The Journées du Patrimoine 2025 unveil a hidden treasure: the Cité Falguière in Paris. Join us on September 20 and 21 for a unique journey through the artistic history of the capital during this 42nd edition. Here's what's in store. [Read more]



Journées du Patrimoine 2025 in Paris: La Ruche, discover the hidden artists' city in the 15th arrondissement
Join us for the Journées du Patrimoine on September 20 and 21, 2025, to fill up on cultural highlights! It's a free adventure that will take you to little-known places like La Ruche Seydoux, a city that has seen some of the world's greatest artists! [Read more]



Heritage Days 2025 in Sainte-Geneviève des bois (91): the program of visits in the town
In Essonne, the town of Sainte-Geneviève des bois unveils a rich program for the Journées du Patrimoine 2025. Join us on September 20 and 21, 2025 to discover the many treasures of this navigable spot! Here's what's on the program for this cultural weekend! [Read more]



Journées du Patrimoine 2025 in Saint-Denis: the Maison d'éducation de la Légion d'honneur (93)
To mark the Journées du Patrimoine 2025, the Maison d'Éducation de la Légion d'honneur in Saint-Denis will be opening its doors to guided tours on Saturday September 20 and Sunday September 21, 2025. [Read more]



Journées du Patrimoine 2025 in Paris: the little-known Musée Cognacq-Jay and its program
For the 42nd edition of the Journées du Patrimoine, the Musée Cognacq-Jay, located in the heart of Paris's 3rd arrondissement, opens its doors to all visitors on September 20 and 21, 2025. Come and discover this little-known museum in Paris. [Read more]



Journées du Patrimoine 2025 in Paris: the program at the Maison des Métallos
The Maison des Métallos is unveiled for the 42nd Journées du Patrimoine in Paris. Discover the history and heritage of this unique site through a special program on September 20 and 21, 2025. [Read more]



Heritage Days 2025 in Paris: at the Musée de la Préfecture de Police, enter the world of investigators
For the Journées du Patrimoine 2025, we're off to discover the Musée de la Préfecture de Police de Paris in the 5th arrondissement. Better than in the detective series, you'll discover real objects, and listen to experts in conference. See you and your family on Saturday September 20 and Sunday September 21, 2025 with a special program! [Read more]



Journées du Patrimoine 2025 in Paris: the Musée d'Ennery and its sublime town house
For the Journées du Patrimoine 2025 in Paris, discover one of the capital's best-kept secrets: the Musée d'Ennery's magnificent collection of Far Eastern objects. Join us on Saturday, September 20, 2025 to conquer this hidden museum, in the heart of a beautiful historic townhouse! [Read more]



Heritage Days 2025 in Essonne: What to do in Athis-Mons (91)? What to do in Athis-Mons
What to do for the Journées du Patrimoine in Essonne? Discover the program of cultural events in Athis-Mons for the weekend of September 20 and 21, 2025. [Read more]



Journées du Patrimoine 2025 in Paris: the Hôtel de Monaco, residence of the Polish ambassador
For the 42nd Journées du Patrimoine in Paris, the Hôtel de Monaco, home to the Polish ambassador's residence, is opening its doors to us on Saturday, September 20, 2025. [Read more]



Journées du Patrimoine 2025: exceptional tours of the Banque de France in Paris
For the Journées du Patrimoine 2025, on the weekend of September 20 and 21, the Banque de France, based at the Hôtel de Toulouse in the 1st arrondissement of Paris, is opening its doors to you. It's an opportunity to visit its gilded gallery and ceremonial rooms, as well as to discover the history and activities of this French institution through a fun tour. [Read more]



Heritage Days 2025 in Paris: discover RATP's secrets and hidden places
RATP is taking part in the 42nd Journées du Patrimoine (Heritage Days) with a network-wide journey to discover the metro in a fun way. Activities, exclusive experiences, tours... See you all over Paris on September 20 and 21, 2025! [Read more]



Journées du Patrimoine 2025 in Paris: the Institut national d'histoire de l'art and its library (INHA)
To mark the 42nd Journées du Patrimoine, the Institut national d'histoire de l'art invites you to discover a range of free tours and events for the whole family on the weekend of September 20 and 21, 2025. An opportunity to discover a building usually reserved for students and researchers. [Read more]



Journées du Patrimoine 2025 at the Musée de la Pharmacie: guided tour of the Ordre's headquarters
If you'd like to discover a well-hidden museum in the capital, take advantage of a guided tour organized during the Journées du Patrimoine 2025, into the headquarters of the Ordre national des Pharmaciens and its dazzling architecture. See you on September 20 and 21. [Read more]



Journées du Patrimoine 2025 in Paris: visit the Maison d'Ourscamp in the heart of the marshes
For the Journées du Patrimoine 2025 in Paris, we're off to discover the Maison d'Ourscamp, one of the few remaining examples of medieval and Renaissance architecture in Paris. Join us on Saturday September 20 and Sunday September 21, 2025 for a free family outing featuring guided tours and commentary. [Read more]



Heritage Days 2025 at the Musée du Louvre: exceptional tours of the art studios and backstage areas of the museum
Event for the Journées du Patrimoine 2025! On Saturday September 20 and Sunday September 21, 2025, the art workshops of the Musée du Louvre in Paris will be opening their doors to you (registration required). An opportunity to learn more about their unique know-how. It's also a chance to go behind the scenes of Paris' most famous museum! [Read more]



Journées du Patrimoine 2025 in Paris: free and unusual tours of the sewer museum
The Musée des égouts de Paris is taking part in the latest edition of the Journées du Patrimoine! Join us on Saturday September 20 and Sunday September 21, 2025 for unusual tours under the sidewalks of Paris. [Read more]



Journées du Patrimoine 2025 in Paris: the Regard de la Lanterne, a little-known site in the 19th arrondissement
Want to get off the beaten track during the Journées du Patrimoine? Why not visit the "regard de la Lanterne", a secret site in the 19th arrondissement of Paris? Here's the program that awaits you on Saturday, September 20, 2025. [Read more]



Journées du Patrimoine 2025: visit Saint-Stéphane Greek Cathedral in Paris
For the Journées du Patrimoine 2025, we're off to discover Paris and its treasures. Among the lesser-known sites in the City of Light, let's enter the Greek Cathedral of Saint-Stéphane, on September 20 and 21, 2025. [Read more]



Heritage Days 2025 in Paris: free tours of the Museum of the History of Medicine
The Journées du Patrimoine return to Paris this weekend, September 20-21, 2025. For the occasion, the Musée d'Histoire de la Médecine is opening its doors to the general public, free of charge. On the program: an unusual and fascinating place to discover in the heart of the former Faculty of Medicine. We tell you more about this fascinating place! [Read more]



Journées du Patrimoine 2025: discover the astonishing Eiffel wind tunnel in Paris
It's a laboratory dedicated to aerodynamics, over 120 years old, and still in operation: visit the Eiffel wind tunnel during the Heritage Days, September 20 and 21, 2025. [Read more]



Heritage Days 2025 in Paris: exceptional opening of the Institute of Human Paleontology
The Journées du Patrimoine will be held on the weekend of September 20 and 21, 2025, in Paris and the Île-de-France region. For the occasion, the Institut de Paléontologie Humaine, created by Prince Albert I of Monaco, is opening its doors to you as an exceptional event. Click here for the program! [Read more]



Heritage Days 2025: the program at Fort de Cormeilles-en-Parisis (95)
Visit Fort de Cormeilles during the Journées du Patrimoine 2025, on Saturday September 20 and Sunday September 21. This former military fort, now owned by the Agence des Espaces Verts de la région Ile de France, is opening its doors to families and history buffs, free of charge of course! Click here for the program. [Read more]



Heritage Days 2025: historical re-enactment at the Musée de la vie d'autrefois (77)
On Saturday, September 21 and Sunday, September 22, 2025, the Journées du Patrimoine (Heritage Days) are back: an opportunity to discover little-known museums, such as the Musée de la vie d'autrefois, in Seine-et-Marne. [Read more]



Journées du Patrimoine 2025: sensory tours at the Maison de Balzac in Paris
The bucolic Maison de Balzac opens its doors free of charge for the Journées du Patrimoine, on the weekend of September 20 and 21, 2025 in Paris. An opportunity to discover this hidden address that plunges us into the world of the famous French writer. [Read more]



Heritage Days 2025 at the Khánh-Anh Pagoda in Essonne - 91, the program
The Khánh-Anh pagoda in Évry-Courcouronnes opens its doors for the Journées Européennes du Patrimoine 2025 on September 20 and 21. Traditional performances, Mandala ceremonies and vegetarian dishes on the program. [Read more]



Journées du Patrimoine 2025 in Le Vésinet (78): visit the Wood Cottage, a witch's cottage in style
For the Journées du Patrimoine 2025, take a look at the Wood Cottage, an architectural gem in the town of Le Vésinet that looks like something out of a fantasy film. Discover the program! [Read more]



Heritage Days 2025 in Paris: visit the Museum of Radiology and Medical Imaging
The Journées du Patrimoine (Heritage Days) take place on the weekend of September 20 and 21, 2025, in Paris and throughout the Île-de-France region. If you're a science and medical technology enthusiast, the Museum of Radiology and Medical Imaging will be opening its doors to you free of charge! [Read more]



Journées du Patrimoine 2025 in Paris: Auguste Comte's house opens its doors to you
The Maison d'Auguste Comte unveils its program for the weekend of September 20 and 21, 2025 in Paris, to mark the 42nd Journées du Patrimoine. Discover the program for this edition. [Read more]



Journées du Patrimoine 2025 in Paris: guided tours of the mysterious Grande Loge de France
Les Journées du Patrimoine invites you to an exceptional visit to the Grande Loge de France in Paris on the weekend of September 20 and 21, 2025. Dive into the heart of this mysterious institution, and discover its fascinating history, sublime architecture and the rituals of Freemasonry! [Read more]



Heritage Days 2025 in Paris: a behind-the-scenes look at Saint-Lazare station
For the Journées du Patrimoine, the Gare Saint-Lazare will be revealing its behind-the-scenes secrets on Saturday September 20 and Sunday September 21, 2025, with guided tours and commentary (registration required). We'll tell you all about it! [Read more]



Heritage Days 2025: the program at Le Vésinet (78)
During the Journées du Patrimoine on September 20 and 21, 2025, stop off at Le Vésinet, a veritable haven of greenery close to Paris. Prepare your itinerary now with our program of visits to the heart of this charming Yvelines commune! [Read more]



Journées du Patrimoine 2025 Paris: exceptional opening of the Hôtel Pereire, Fondation Del Duca
The Hôtel Pereire, headquarters of the Fondation Simone et Cino Del Duca - Institut de France, opens its doors for the Journées du Patrimoine 2025. On September 20 and 21, plunge into the heart of Parisian heritage and explore this historic building enhanced by photos, videos and archives. [Read more]



Journées du Patrimoine 2025 at fashion photographer Frank Horvat's studio in Boulogne-Billancourt (92)
The home studio of the great fashion photographer Frank Horvat opens its doors for the Journées du Patrimoine 2025, on September 20. In this Boulogne-Billancourt studio, discover half a century of photographs and archives, with commentary by the artist's daughter in person! [Read more]



Journées du Patrimoine 2025 in Paris at La Chapelle Expiatoire: the program
The Journées du Patrimoine will be held in Paris on the weekend of September 20 and 21, 2025. La Chapelle expiatoire, the little-known monument to Louis XVI and Marie-Antoinette in the heart of the capital, will be revealing its secrets. [Read more]



Journées du Patrimoine 2025: discover the workshop of the famous sculptor Claude de Soria in Paris
On Saturday September 20 and Sunday September 21, 2025, the European Heritage Days open for another not-to-be-missed edition! Between the must-see tours of Parisian institutions, the unusual, the fun, the educational... Discover the capital and visit the studios of Parisian artists such as Claude de Soria, in the Montparnasse district. [Read more]



Journées du Patrimoine 2025: events at the Musée Jean-Jacques Henner in Paris
To mark the 42nd Journées du Patrimoine, the Musée Jean-Jacques Henner in Paris is opening its doors free of charge on September 20 and 21, 2025. Here's what's in store for you this weekend... [Read more]



Heritage Days 2025 at Hôtel de Beauvais - Paris Administrative Court of Appeal
For the Journées du Patrimoine 2025, discover the Hôtel de Beauvais, home to the Paris Administrative Court of Appeal since 2003. Built in 1654 for Catherine de Beauvais, this listed monument is brimming with trompe-l'œil and false symmetry. Join us on the weekend of September 20 and 21, 2025 for this exceptional opening. [Read more]



Journées du Patrimoine 2025: tours of the former Babcock factories (93): the program
On the occasion of the Journées du Patrimoine 2025, take advantage of free tours of the former Babcock & Wilcox factories, on Saturday September 20 and Sunday September 21. This unique industrial site, located in the heart of La Courneuve, will be unveiled with a special program. [Read more]



Heritage Days 2025 in Paris: discover the Château de la Reine Blanche
To mark Heritage Days 2025 in Paris, why not visit an astonishing residence in the heart of the capital! In the 13th arrondissement, the Château de la Reine Blanche reveals its secrets with a special program on the weekend of September 20 and 21, 2025. Discover this little-known treasure! [Read more]



Heritage Days 2025: a tour of the Petit Moulin des Vaux de Cernay (78)
For the European Heritage Days 2025, adventure awaits us at the Petit Moulin des Vaux de Cernay this Saturday, September 20. [Read more]



Journées du Patrimoine 2025: visit the Séminaire des Missions Étrangères de Paris and its museum
The 42nd edition of the Journées du Patrimoine (Heritage Days) takes place on the weekend of September 20 and 21, 2025 in Paris and the Île-de-France region. This is your chance to discover the Séminaire des Missions Étrangères and its secret museum. [Read more]



Journées du Patrimoine 2025 visit to an air-raid shelter in Bourg-la-Reine, Hauts-de-Seine, France
During the Journées du Patrimoine 2025, plunge into history and discover a genuine World War II air-raid shelter in Bourg-la-Reine, on September 20 and 21, 2025. An exceptional visit well worth the detour! [Read more]



Journées du Patrimoine 2025 at Visionnaire, the historic L'Oréal headquarters in Paris
This new edition of the Journées du Patrimoine (Heritage Days) has plenty of surprises in store for you on September 20 and 21, 2025. For the occasion, Le Visionnaire - Espace François Dalle, better known as the historic headquarters of the L'Oréal group, is exceptionally opening its doors to visitors for free tours. We tell you all about it. [Read more]



Heritage Days 2025 at Rosny Rail (93), the Seine-Saint-Denis train museum
Have you heard of the Musée du train in Rosny-sous-Bois? For the Journées du Patrimoine (Heritage Days), the Musée Rosny Rail is opening its doors free of charge on Saturday 20 and Sunday 21 September 2025 for a journey to the heart of railroad history! Ready to climb aboard? [Read more]



Journées du Patrimoine 2025 in the watchmaking wheels of Bucherer in Paris
To mark the 42nd Heritage Days, Bucherer is opening its doors to watch enthusiasts on Saturday, September 20, 2025. An opportunity to admire legendary watches from every angle during this exceptional event. [Read more]



Journées du Patrimoine 2025 in the Paris catacombs: themed tours on the program!
The Journées du Patrimoine (Heritage Days) take you deep into the catacombs of Paris. Discover the program that awaits you in the capital's underground passages on the weekend of September 20 and 21, 2025. Are you ready for themed guided tours of this mysterious place in the capital? [Read more]



Heritage Days 2025 in Seine-et-Marne: the program at Domaine de la Grange-la-Prévoté (77)
Looking for a program for the Journées du Patrimoine 2025 in Seine-et-Marne? In Savigny-le-Temple, the Domaine de la Grange-la-Prévôté unveils its program for this 42nd edition. [Read more]



Heritage Days 2025: discover the Japanese Gardens of Favières in Seine-et-Marne
The Japanese Gardens site at Favières in Seine-et-Marne is exceptionally opening its doors free of charge on September 20 and 21, 2025, to mark the 42nd Journées du Patrimoine. [Read more]



Heritage Days 2025 at Château Arribas (77), program of free events
Ready for two days of adventure? On September 20 and 21, the Journées Européennes du Patrimoine 2025 (European Heritage Days 2025) will be opening the doors of historic and unusual sites in the Paris region, free of charge. Among them, the Château Arribas, known as the home of Disneyland Paris' official glassblowers, has a whole host of activities in store for you. [Read more]



Heritage Days 2025 at the Maison du Fontainier, at the heart of water history in Paris
Ready to delve into the history of Paris during the Journées du Patrimoine 2025? What better way to do so than to visit the Maison du Fontainier, a major site in the history of water in the capital. Join us this weekend, September 20 and 21, 2025, to discover this unusual place. [Read more]



Journées du Patrimoine 2025: discover the Gustave Moreau studio-museum in Paris free of charge
The Journées du Patrimoine (Heritage Days) take place this weekend, September 20 and 21, 2025, in Paris and the Ile-de-France region. How would you like to immerse yourself in the studio of a French painter? Here's the program for the Musée Gustave Moreau, a charmingly intimate museum with an iconic staircase! [Read more]



Heritage Days 2025: concert and events at Désert de Retz in Chambourcy (78)
For Heritage Days 2025, a bucolic experience is on offer at Désert de Retz in Chambourcy, Yvelines, this Sunday, September 21. On the program? Free events and a concert in the heart of this beautiful green setting. A picturesque and romantic journey to the heart of a place full of history and architectural wonders. [Read more]



Journées du Patrimoine 2025 in Paris: rediscover the Tour Jean-Sans-Peur
Discover the medieval world of the Tour Jean-Sans-Peur during the Journées du Patrimoine 2025 in Paris on the weekend of September 20 and 21, 2025. An opportunity to conquer this vestige of the Palace of the Dukes of Burgundy through a special program! [Read more]



Journées du Patrimoine 2025 in Paris: the Polish library and its hidden museums
The Bibliothèque Polonaise de Paris is taking part in the Journées du Patrimoine on the weekend of September 20 and 21, 2025. An opportunity to discover this little-known Parisian landmark and its three confidential museums: the Adam Mickiewicz Museum, the Biegas Museum and the Frédéric Chopin Salon. Here's the program! [Read more]



Journées du Patrimoine 2025 at the Viaduc des Arts in Paris, the program
The Journées du Patrimoine are also an opportunity to discover the Viaduc des Arts in Paris. Yes, this astonishing place in the east of the capital is unveiling a special program for this exceptional weekend of September 20 and 21, 2025. Discover this temple of astonishing craftsmanship. [Read more]



Heritage Days 2025: the art of stained glass at Atelier Baudouin (94)
For the Journées du Patrimoine 2025 in Île-de-France, the Atelier Baudouin is opening its doors in the Val-de-Marne to reveal its expertise in stained glass. Join us in Saint-Maur-des-Fossés on September 20 and 21, 2025, to discover how stained glass is restored in the company of our craftsmen! [Read more]



Journées du Patrimoine 2025 in Paris, Le Monde's festival, the program
The Journées du Patrimoine will be held in Paris from September 20 to 21, 2025. If you're a curious visitor looking for exceptional openings, or if you're passionate about the world of the media, Le Monde is opening the doors of its new premises for a free visit, and offering a whole festival. Please note: reservations are required! [Read more]



Journées du Patrimoine 2025 at the Musée Clemenceau Paris: caricatures and free tours
For the Journées du Patrimoine 2025 in Paris, visit a secret museum unlike any other: the Musée Clemenceau! Take a stroll through the former French Prime Minister's apartment, with its garden and view of the Eiffel Tower, and revisit his history of France. We're sharing the program for this year's event. [Read more]



Journées du Patrimoine 2025: program of visits and events in Aubervilliers (93)
The town of Aubervilliers, in Seine-Saint-Denis, France, is putting on a great program for the 42nd Heritage Days. Discover the heritage near you on Saturday September 20 and Sunday September 21, 2025. [Read more]



Heritage Days 2025: the European Space Agency headquarters in Paris opens its doors
Get ready for a weekend of exploration with the return of the Journées du Patrimoine, from September 20 to 21, 2025. Museums, private mansions and unusual places open their doors free of charge for a two-day orbit around historic treasures. This year, set your sights on the stars: the headquarters of the European Space Agency (ESA) opens its doors to the public for the first time! [Read more]



Journées du Patrimoine 2025 at the Fondation Eugène Napoléon in Paris: A plunge into the Second Empire
Discover the fascinating history of the Eugène Napoléon Foundation in Paris during the Journées du Patrimoine 2025, on September 20 and 21. Immerse yourself in the era of the Second Empire and explore an architectural and cultural heritage that cannot be ignored. [Read more]



Journees du Patrimoine 2025 in Paris: architecture in the spotlight at the Russian Orthodox Center
For the Journées du Patrimoine 2025 in Paris, the Russian Orthodox Spiritual and Cultural Center, adjacent to the Cathedral of the Holy Trinity, unveils its program for the weekend of September 20 and 21, 2025. [Read more]



Heritage Days 2025 in Paris: visit the Hôtel de Roquelaure, Ministry of Ecological Transition
Looking for an exceptional visit for the Journées du Patrimoine 2025? In Paris, the Hôtel de Roquelaure, now the Ministry of Regional Planning and Ecological Transition, is unveiling its program for the weekend of September 20-21, 2025. [Read more]



Heritage Days 2025 at the Osmothèque, the perfume conservatory in Versailles: the program
On September 20 and 21, 2025, the European Heritage Days open wide the doors to a heritage to be smelled, felt and discovered in a whole new way. In Versailles, the Osmothèque reveals the scents of yesteryear and the perfumes that have disappeared, for a visit that tickles the nostrils as much as the memory. Registration opens on September 5, 2025, so mark your calendars! [Read more]



Heritage Days 2025: discover the King's cellars, an underground tour in Sèvres (92)
In Sèvres, history is even hidden in the town's basements... During the Journées du Patrimoine, this weekend of September 20 and 21, 2025, visit the King's cellars. [Read more]



Heritage Days 2025: the Fondation Coubertin unveils its treasures in Yvelines (78)
At Saint-Rémy-lès-Chevreuse in the Yvelines, the Fondation de Coubertin is taking part in the Journées du Patrimoine 2025 on Saturday September 20 and Sunday September 21. This exceptional 30-hectare estate unveils its bronze garden and a tribute trail. [Read more]



Journées du Patrimoine 2025 in Paris: La Grande Loge Féminine de France, exceptional opening
During the Journées du Patrimoine 2025, discover a hidden treasure in Paris: the Grande Loge Féminine de France. Dive into the history of this unique institution and unravel the mysteries of women's freemasonry on September 20 and 21. We reveal the program that awaits you at this not-to-be-missed cultural event! [Read more]



Journées du Patrimoine 2025 at the Maison de l'Amérique latine in Paris, the program
The Maison de l'Amérique latine in Paris opens its doors to the public for the Journées du Patrimoine 2025. The private mansion in the 7th arrondissement awaits the curious on Sunday, September 21. Don't miss the opening of the free ticket office! [Read more]



Heritage Days 2025: exceptional opening of the Hôtel de Rothelin-Charolais
During the Journées du Patrimoine 2025, many secret locations will be open to the public, including the Hôtel de Rothelin-Charolais, which opens its doors on September 20 and 21. [Read more]



Heritage Days 2025 in Paris: exceptional tours of the Ministry of Justice
To mark the Journées du Patrimoine, the Ministry of Justice is opening the doors of the Hôtel de Bourvallais on Saturday September 20 and Sunday September 21, 2025. During a free and exceptional visit, you can discover the office of the Minister of Justice. Click here for the program. [Read more]



Heritage Days 2025 in Saint-Germain-en-Laye (78): the program for the royal town
The Journées du Patrimoine (Heritage Days) return to Paris and the Île-de-France region on the weekend of September 20 and 21, 2025 for new cultural adventures! In the Yvelines, Saint-Germain-en-Laye is no exception to the rule, and has concocted a "royal" program for you to discover during this exceptional weekend. Mark your calendars! [Read more]



Journées du Patrimoine 2025: the beauty of Paris Opera costumes at the Ateliers Berthier
The Journées du Patrimoine 2025 (Heritage Days 2025) will unveil a behind-the-scenes look at the creation of Paris Opera sets at the Ateliers Berthier on Saturday, September 20. The highlight of the show? An incomparably rich collection of costumes. [Read more]



Journées du Patrimoine 2025: visit the sublime Bibliothèque Mazarine in Paris
New "Journées du Patrimoine" in Paris, and new tours in prospect. This Saturday, September 20 and Sunday, September 21, 2025, why not discover the sublime Bibliothèque Mazarine, France's oldest public library! [Read more]



Journées du Patrimoine 2025: glass-spinning demonstration at Atelier la Perle d'Art - Carnetin (77)
The Journées du Patrimoine 2025 invite you to explore the La Perle d'Art workshop in Carnetin, Seine-et-Marne. Plunge into the heart of artisan creation and discover the secrets of glass spinning in this unique venue, open exceptionally on September 20 and 21. An unmissable event for lovers of craftsmanship and tradition. [Read more]



Heritage Days 2025: the program at the Maison Jean Monnet in Bazoches (78)
On Saturday September 20 and Sunday September 21, 2025, the Journées du Patrimoine (Heritage Days) are back in Paris and the Île-de-France region: in Bazonches-sur-Guyonne, in the Yvelines department, you can discover the Jean Monnet house, where one of the architects of the European Union lived. [Read more]



Heritage Days 2025 at the Musée vivant du Chemin de fer (Ajecta) in 77, the program
On September 20 and 21, 2025, take advantage of preferential rates during the European Heritage Days to visit the Living Railway Museum in Longueville (77), where steam locomotives and historic wagons bring over 150 years of railway history to life. [Read more]



Heritage Days 2025: visit the secret Station Cinéma, used for film shoots
Discover one of the most famous film sets in Paris, by visiting Station Cinéma, the metro station dedicated to film and commercial shoots in Paris. Join us on September 20 and 21, 2025, during the Journées du Patrimoine, to visit this secret RATP location. [Read more]



Heritage Days 2025: visit the Ballonnière and Jamboree Museum in Moisson (78)
Discover the unusual Musée de la Ballonnière and the 1947 Jamboree in the town of Moisson, Yvelines, on the occasion of the new edition of the Journées du Patrimoine, organized on September 20 and 21, 2025. [Read more]



Journées du Patrimoine 2025 in Paris: visit to Hôpital Cochin and Cloître de Port-Royal
Take advantage of the Journées du Patrimoine, on September 20, 2025, to explore the Cloître de Port-Royal, at the heart of Hôpital Cochin. It's sure to be an event packed with discoveries! [Read more]



Heritage Days: guided tours of the Banque de France in Vincennes
The Banque de France in Vincennes will be opening its doors on September 20, 2025 for the Journées du Patrimoine, an opportunity to discover its history and missions. [Read more]



Heritage Days 2025: visit Claude Monet's house in Vétheuil (95)
Between Giverny and Paris, discover the house in Vétheuil where Claude Monet and his wife lived for many years. A visit not to be missed during the 42nd Journées du Patrimoine, on September 20 and 21, 2025. [Read more]



Heritage Days 2025 at Human Rights
For the Journées du Patrimoine 2025, the headquarters of Le Droit Humain, the world's first mixed Masonic order, opens its doors in Paris. An exceptional visit to discover a place steeped in history and symbolism. [Read more]



Journées du Patrimoine 2025: a photo exhibition on hip hop at the Fort d'Aubervilliers
On September 20 and 21, 2025, the Journées du Patrimoine return to Paris and the Île-de-France region. In Aubervilliers, you can discover the city's Fort during an original photo exhibition. [Read more]



Heritage Days 2025 at the Maison Maria Deraismes
To mark the Journées du Patrimoine, the Maison Maria Deraismes, a landmark of feminist and Masonic history, opens its doors in Paris on September 20 and 21, 2025. Discover its unique heritage during free guided tours, screenings and lectures. [Read more]



Journées du Patrimoine 2025, exceptional visit to the reserves of the Musée des Arts et Métiers in Saint-Denis (93)
To mark the Journées du Patrimoine, the Musée des Arts et Métiers is opening the doors of its storerooms in Saint-Denis (93) on Saturday September 20 and Sunday September 21, 2025. Over 80,000 objects have been catalogued, restored and conserved since 1994. An exceptional visit not to be missed. Registration required! [Read more]



Heritage Days 2025: discover Poush, the perfume factory in Aubervilliers (93)
On Saturday, September 20 and Sunday, September 21, 2025, the Journées du Patrimoine (Heritage Days) are back with a great program in Paris and the Île-de-France region. In Aubervilliers, the Poush perfumery will be opening its doors for the occasion. [Read more]



Heritage Days 2025 at the Maison André Derain (78), the program
Get caught up in the colors and gestures of the great masters! The European Heritage Days, on September 20 and 21, 2025, invite you to enter a whole new world of art. In Chambourcy (Yvelines - 78), the Maison-musée André Derain opens its studio and unveils the flamboyant treasures of fauvism and the XXᵉ century. [Read more]



Heritage Days 2025 at the Ecole des arts joailliers: discover the Hôtel de Mercy-Argenteau
The Ecole des arts joailliers, located in the heart of the magnificent Hôtel de Mercy-Argenteau, is opening its doors to the public with a host of events for its first participation in the Journées du Patrimoine, on September 20 and 21, 2025. [Read more]



Journées du Patrimoine 2025 in Paris at the heart of the Cité Montmartre-aux-artistes
Not far from the Butte Montmartre lies a veritable artists' city, the largest in Europe! During the Journées du Patrimoine 2025 (Heritage Days 2025), we're off to discover this astonishing and inspiring place, in the heart of Paris's 18th arrondissement, this weekend of September 20 and 21, 2025. Here's the program that awaits you. [Read more]



Heritage Days 2025: balcony concert at the Maison-Musée Maurice Ravel (78)
Head to the Yvelines for the Journées du Patrimoine, a department brimming with treasures to discover! On September 20 and 21, 2025, the Maison-Musée Maurice Ravel invites you into the composer's musical universe. [Read more]



Heritage Days 2025: exceptional visit and beekeeping at Château de la Celle-Saint-Cloud (78)
On September 20 and 21, 2025, discover the magnificent gardens of the Château de la Celle-Saint-Cloud, in the Yvelines region, an estate belonging to the French Ministry of Foreign Affairs and host to heads of state! This year, we'll be exploring the estate and meeting beekeepers through an exhibition in the Orangerie. [Read more]



Heritage Days 2025 at the Annonciation troglodyte church (95), the program
On September 20 and 21, 2025, the Journées Européennes du Patrimoine (European Heritage Days) will be opening the doors to the unsuspected treasures of Paris and the Île-de-France region. In Val-d'Oise (95), head for Haute-Isle for a mineral immersion in the region's only troglodyte church, carved right into the cliff. [Read more]



Journées du Patrimoine 2025 at the Maison La Roche - Fondation Le Corusier in Paris, the program
Back to school, put away the flip-flops, get out the sneakers... and explore the capital's hidden treasures! Head for the European Heritage Days on September 20 and 21, 2025, when museums, castles and unusual spots open their doors wide. In Paris, don't miss the Maison La Roche, a modernist masterpiece by Le Corbusier, to be (re)discovered in the chic 16th arrondissement. [Read more]



Heritage Days 2025 at Maison Élysée, the program
The European Heritage Days are back on September 20 and 21, 2025, and they've got plenty of surprises up their sleeves! Just a stone's throw from the Presidential Palace, the Maison Élysée opens its doors for a behind-the-scenes look at power. [Read more]



Heritage Days 2025 at the Château royal de Montceaux (77): discover the Château des Trois Reines
How about exploring the remains of the Château Royal de Montceaux? This historic site in Seine-et-Marne is opening its doors to us for the Journées du Patrimoine (Heritage Days) on the weekend of September 20 and 21, 2025. [Read more]



Heritage Days 2025 at the Pavillon Royal de la Muette in Saint-Germain-en-Laye (78)
September marks the return of the Journées du Patrimoine! The Yvelines will be celebrating with a number of unexpected visits, including the exceptional opening of the Pavillon Royal de la Muette in Saint-Germain-en-Laye, on Saturday September 20, 2025, by reservation only. [Read more]
Which secret location(s) will you be discovering this year?
Dates and Opening Time
From September 20, 2025 to September 21, 2025
Prices
Free