For this 2026 edition of the European Heritage Days, on Saturday the 19th and Sunday the 20th of September, why not venture off the beaten path? Beyond the classics, discover hidden places in Paris that often fly under the radar. Little-known historical sites, quietly impressive monuments, even spots normally closed to the public, will open their doors for what promises to be 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 teems with hidden cultural treasures. Time-worn monuments that see little foot traffic, historic mansions, discreet churches and intimate museums just waiting to be discovered. This edition of the Heritage Days 2026 invites you to explore these often-overlooked gems tucked away in the region’s small towns.
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 ensure you don’t miss any of the hidden spots to discover for the 2026 Heritage Days in Paris and Île-de-France, we recommend bookmarking this page and checking it regularly.
Heritage Days 2026: Exploring the archaeological dig site in Provins (77)
During Heritage Days, September 19 and 20, 2026, embark on a tour of an archaeological dig site in Provins, in the Seine-et-Marne department. [Read more]
Heritage Days 2026 in Saint-Germain-en-Laye (78), a royal town that has inspired artists
Heritage Days are back on September 19 and 20, 2026, in Paris and the Île-de-France region for more cultural adventures! In Yvelines, Saint-Germain-en-Laye sticks to the tradition and has devised a “royal” program to discover during this exceptional weekend. Mark your calendars... note! [Read more]
In Seine-et-Marne, the Saint-Joseph Monastery will exceptionally open its doors to the public for the 2026 Heritage Days.
Usually tucked away from prying eyes, the Saint-Joseph Monastery in Brou-sur-Chantereine offers a glimpse into its history for Heritage Days 2026. [Read more]
Heritage Days 2026: explore the Ors Estate Nature Reserve and its ruins.
In Châteaufort, in the Yvelines, Domaine d’Ors blends historic heritage with preserved nature along the Mérantaise. The 2026 Heritage Days offer a chance to discover the estate’s history and the remains of a property shaped by centuries of transformation. [Read more]
Set out to conquer the Moulin d'Ors for Heritage Days 2026
For the 2026 Heritage Days, the spotlight is on Moulin d’Ors in Châteaufort, in Yvelines. A former wheat mill in the Chevreuse valley, it alone bears witness to centuries of local history and hydraulic heritage. [Read more]
Heritage Days 2026: discover the secrets and hidden spots of RATP in Paris
RATP is taking part in the 43rd edition of Heritage Days with a journey across the entire transport network, exploring the metro in a playful way. Animations, exclusive experiences, tours... See you in Paris on September 19 and 20, 2026! [Read more]
Journées du Patrimoine 2026 : Heritage Days 2026: explore paranormal phenomena at the International Metapsychic Institute
The Metapsychic International Institute opens its doors in Paris for Heritage Days, on September 19–20, 2026. An opportunity to delve into more than a century of research into paranormal phenomena, consciousness, and parapsychology. [Read more]
Heritage Days 2026 in Paris: discover the Maison d'Ourscamp, nestled in the heart of the marsh.
For the 2026 Heritage Days in Paris, let’s go discover the Maison d’Ourscamp, one of the few remnants that blends medieval and Renaissance architecture in the city. Mark your calendars for Saturday, September 19 and Sunday, September 20, 2026 for a free family outing with guided, commentary-led tours. [Read more]
Discover the Belle Assise mill for Heritage Days 2026 in the Paris region.
On September 19–20, 2026, discover the Belle-Assise Mill in Jossigny during Heritage Days and dive into the history of mills in Île-de-France. [Read more]
Heritage Days 2026: What’s on at Paris’s Maison des Métallos
The Maison des Métallos is taking part in Paris’ Heritage Days with a program devoted to its history, architecture, and cultural activities, on September 19 and 20, 2026. In the 11th arrondissement, this iconic venue reveals a heritage rooted in workers’ memory and in contemporary creation. [Read more]
Heritage Days 2026: The Balzac House in Paris unveils its program
Balzac House is taking part in Paris’s Heritage Days, opening the doors to its literary universe on 19 and 20 September 2026. In the 16th arrondissement, the visit offers a chance to explore the writer’s former home, its collections, and the atmosphere of a place closely tied to his work. [Read more]
Journées du Patrimoine 2026: The School of Jewelry Arts opens the Hôtel de Mercy-Argenteau in Paris
The School of Jewelry Arts opens the doors of the Hôtel de Mercy-Argenteau in Paris for Heritage Days on September 19–20, 2026. In its first participation, the venue will offer a range of activities focused on jewelry, craftsmanship, and this remarkable townhouse. [Read more]
Heritage Days 2026: Step inside the last mill in Val-de-Marne
On September 19 and 20, 2026, the Moulin de la Tour in Ivry-sur-Seine will open its doors to curious visitors. The last windmill still preserved in Val-de-Marne, it evokes a time when the landscapes of the Paris inner suburbs were still largely agricultural. [Read more]
Heritage Days 2026: The Nymphée Nymphée, a shell grotto in Viry-Châtillon (91)
Heritage Days are back for the weekend of September 19–20, 2026 in Paris and the Île-de-France region. It’s a chance to explore the Nymphée Nymphée, a mysterious shell-covered grotto waiting for you in Viry-Châtillon, Essonne. An offbeat discovery awaits! [Read more]
Heritage Days 2026: the gardens program at École du Breuil in Paris
The gardens of the École du Breuil are taking part in Paris’s Heritage Days with a program focused on botany, landscape, and horticultural know-how, on 19 and 20 September 2026. In the 12th arrondissement, this visit offers a lush green interlude in the heart of one of the capital’s most distinctive sites. [Read more]
Heritage Days 2026: free tours and concerts at the Léon Blum House
On September 19 and 20, 2026, Heritage Days return across Île-de-France. Each year, this event lets visitors discover for free emblematic—sometimes little-known—sites that tell the story of the region. In Jouy-en-Josas, in the Yvelines, Maison Léon Blum is among the sites that open their doors to share their heritage with the public. [Read more]
Heritage Days 2026: discover Hôtel d'Heidelbach, Maison Guimet's Asian jewel box
Hôtel d'Heidelbach, now Maison Guimet, participates in Paris's Heritage Days with tours devoted to Asian arts, on September 19 and 20, 2026. An opportunity to discover this 16th-century townhouse, its Japanese garden, and its exceptional collections. [Read more]
This former orphanage, now a campus, opens its doors for Heritage Days 2026.
In Vitry-sur-Seine, the Adolphe-Chérioux Departmental Estate guards nearly a century of history behind its gates. Once an orphanage, it became a sprawling campus dedicated to education, and the site will be unveiled for the 2026 Heritage Days. [Read more]
Heritage Days 2026: the Tour Jean-Sans-Peur, a medieval relic at the heart of Paris
Jean-Sans-Peur Tower invites visitors to step back into medieval Paris for Heritage Days, on September 19–20, 2026. This remnant of the Dukes of Burgundy’s palace reveals its history, its architecture, and the traces of a power that left its mark on the capital. [Read more]
The Meudon Observatory opens the doors to the heavens for Heritage Days 2026.
Aiming for the stars during Heritage Days! The Paris Observatory, Meudon site, opens its doors by reservation, with special tours on Saturday, September 19, 2026. [Read more]
Heritage Days 2026: Saint-Pierre-du-Gros-Caillou Church, a little-known story at the foot of the Eiffel Tower
A stone's throw from the Eiffel Tower, the Saint-Pierre-du-Gros-Caillou church opens its doors for Heritage Days on September 19–20, 2026. A visit to discover the history of this 7th‑arrondissement church and the little-known heritage of the Gros-Caillou quarter. [Read more]
Heritage Days 2026: the Jean-Jacques Henner Museum's program in Paris
The Jean-Jacques Henner Museum offers free entry in Paris for Heritage Days on September 19 and 20, 2026. In the 17th arrondissement, visitors can explore the collections, the painter’s world, and the special weekend program crafted for the occasion. [Read more]
Heritage Days 2026: Free Tours of the Gustave Moreau Museum in Paris
The Gustave Moreau Museum opens the doors to the studio of the famed painter for Paris’s Heritage Days, on September 19–20, 2026. Free tours and activities invite visitors to discover this intimate museum in the 9th arrondissement, nestled between the artworks, the apartment, and the artist’s studio. [Read more]
Heritage Days 2026: discover Saint-Georges Chapel, a little-known 16th-century site
La Chapelle Saint-Georges opens its doors in Paris for Heritage Days, on 19 and 20 September 2026. A rare opportunity to explore its history, its architecture, and a little-known facet of the capital's heritage. [Read more]
Heritage Days 2026: an exclusive tour of the Pincevent archaeological site (77)
Heritage Days are back in Paris and the Île-de-France region on 19 and 20 September 2026. In Pincevent, the Seine-et-Marne commune, discover the local archaeological site through a specially tailored program. [Read more]
Heritage Days 2026: the Coubertin Foundation unveils its treasures in Yvelines (78)
In Saint-Rémy-lès-Cchevreuse in the Yvelines, the Fondation de Coubertin is taking part in the Heritage Days 2026 on Saturday, September 19 and Sunday, September 20. This exceptional 30-hectare estate reveals its bronze garden and a tribute trail. [Read more]
Heritage Days 2026 at the Maison des Italiens in Versailles: a little-known monument in the Yvelines (78)
Want to uncover the secrets of France’s heritage without spending a dime? On September 19 and 20, 2026, the European Heritage Days will throw open the doors to the country’s most unusual and iconic sites. This year, in Yvelines (78), treat yourself to the Maison des Italiens in Versailles, an elegant private mansion listed as a Historic Monument. [Read more]
Heritage Days 2026: discover Claude Monet's house in Vétheuil (95)
Between Giverny and Paris, discover the house at Vétheuil where Claude Monet and his wife lived for several years. A visit not to be missed during Heritage Days, on September 19 and 20, 2026. [Read more]
The Roger Vivier House opens the doors of its grand townhouse for Heritage Days 2026.
Want to slip behind the scenes at Roger Vivier? The house is opening its Paris townhouse for a rare peek, revealing its world, its archives and its craftsmanship during the European Heritage Days, on 19 and 20 September 2026. [Read more]
Bierville Castle to Open Its Doors for Heritage Days 2026
The European Heritage Days return on 19 and 20 September 2026. On this occasion, Château de Bierville, in Boissy-la-Rivière, Essonne, will open its doors to visitors for an exceptional showing. A rare opportunity to discover a site steeped in history, closely tied to Île-de-France heritage and the social commitments of the 20th century. [Read more]
Heritage Days 2026 at Hôtel Gouthière – Hector Berlioz Conservatory, in Paris
The European Heritage Days 2026, on September 19 and 20, will lift the veil on secret and little-known spots in Paris, such as the elegant Hôtel Gouthière, an 18th-century pavilion designed by the royal chaser-gilder Pierre Gouthière, now transformed into the Hector Berlioz Conservatory. [Read more]
Heritage Days 2026: Discover the remnants of Bagnolet's peach orchard
On the occasion of the 2026 Heritage Days, the Bagnolet peach grove invites visitors to step back in time. This little-known site in Seine-Saint-Denis bears witness to a horticultural past that long defined the eastern Paris area. [Read more]
Heritage Days 2026: Open the doors to La Hublotière, Guimard's little-known masterpiece
On September 19 and 20, 2026, the Heritage Days invite you to La Hublotière in Le Vésinet. This villa, conceived by Hector Guimard, is one of the early masterpieces of Art Nouveau in Île-de-France. [Read more]
Explore Bazemont's lordly fief during Heritage Days 2026 in the Paris region.
Once a lordly estate, now a town hall, Bazemont Castle opens its doors on September 19 and 20, 2026 for Heritage Days. [Read more]
Heritage Days 2026: this historic villa in Asnières welcomed Sarah Bernhardt and Rosa Bonheur
The Villa des Roses opens its doors in Asnières-sur-Seine for Heritage Days on 19 and 20 September 2026. A chance to discover a charming residence with ties to the world of the circus. [Read more]
Heritage Days 2026: explore Wood Cottage, a house with witch-like charm, in Le Vésinet.
On the occasion of the 2026 Heritage Days, marvel at a true architectural gem in the town of Le Vésinet: Wood Cottage, a curious house that looks like it’s stepped straight out of a fantasy film. Here’s the program! [Read more]
Heritage Days 2026 at Villa Beau-Chêne, known as Joséphine Baker’s Villa, in Le Vésinet (78)
On the occasion of Heritage Days 2026, head to Le Vésinet (78) to discover the sumptuous Villa Beau-Chêne, or Joséphine Baker’s Villa, on Saturday, September 19. A rare opportunity to dive into the intimate world of the music-hall icon, close to her memories. [Read more]
Heritage Days 2026: hidden historic gems tucked away in lush greenery in Le Vésinet (78)
During the Heritage Days on September 19–20, 2026, stop by Le Vésinet, a true green oasis just outside Paris. Start planning now with the schedule of activities and tours in the charming commune of the Yvelines! [Read more]
Heritage Days 2026: aircraft exhibition and flight simulator at Chavenay Airfield (78)
Nestled in the heart of the Versailles plain, the Chavenay-Villepreux Aerodrome opens its doors for Heritage Days 2026. From displays of legendary aircraft to hands-on explorations of aviation careers, join us for an immersive and thrilling dive into the world of aeronautics. [Read more]
Heritage Days 2026: this offbeat dairy in the Paris region is opening its doors to you!
On the occasion of the 2026 Heritage Days, the Avon Dairy opens its doors in Seine-et-Marne on Saturday, September 19. Discover the history and distinctive features of this unusual site in Île-de-France's heritage. [Read more]
Heritage Days 2026: discover this former 17th-century convent in the Paris region.
On 19 and 20 September 2026, the Carmelite Convent in Avon will open its doors for Heritage Days. Discover this historic site in Seine-et-Marne. [Read more]
Heritage Days 2026 at Daubigny’s House-Workshop: the program
Visit Daubigny’s House-Workshop in Auvers-sur-Oise during Heritage Days 2026 and discover the painter’s story. Here’s what’s in store for this weekend of September 19–20, 2026. [Read more]
This manor in the Paris region opens its doors for Heritage Days 2026.
What if we set out to discover the grand houses for Heritage Days 2026? In Seine-et-Marne, this splendid manor will throw open its doors on the weekend of September 19–20, 2026. [Read more]
Discover the astonishing Absinthe Museum for Heritage Days 2026.
On September 19–20, 2026, Heritage Days invites you to discover the Absinthe Museum in Auvers-sur-Oise. An unusual venue that tells the story of this legendary drink, closely tied to artists and Parisian life in the 19th century. [Read more]
Heritage Days 2026: explore the room where Vincent van Gogh lived
Almost preserved almost intact since 1890, Vincent van Gogh's room can be visited at the Auberge Ravoux in Auvers-sur-Oise, as part of the 2026 European Heritage Days. [Read more]
Heritage Days 2026: guided tours and activities on offer in Aubervilliers (93)
For the 42nd edition of Heritage Days, the city of Aubervilliers in Seine-Saint-Denis has prepared a wonderful program for you. Discover the local heritage near you on Saturday, September 19 and Sunday, September 20, 2026, for the occasion! [Read more]
This endangered castle with distinctive architecture opens to visitors for Heritage Days 2026.
Time-worn yet at the heart of a large restoration project, the Château de Vigny opens its doors on 19 and 20 September 2026 for Heritage Days. A chance to discover one of the most distinctive monuments in Val-d'Oise. [Read more]
This historic winch comes alive for Heritage Days 2026.
It is one of the last remnants of the Auboin Quarry in Châtillon, and for Heritage Days 2026, it comes back to life once again! This weekend, September 19–20, 2026, you can watch a live demonstration of how it works, in addition to an introduction to stone carving. [Read more]
Heritage Days 2026 at the Troglodyte Church of the Annunciation, an unusual stopover in the 95
On 19 and 20 September 2026, the European Heritage Days uncover the hidden treasures of Paris and Île-de-France. What's on the agenda in Val-d'Oise (95)? A gripping dive into history, right to the heart of the rock, to the region's only troglodyte church, tucked away in Haute-Isle. [Read more]
Heritage Days 2026 at the Datcha — Ivan Turgenev Museum, the writer’s retreat in Yvelines (78)
The European Heritage Days 2026 are your VIP pass to the behind-the-scenes of history, coming up on September 19 and 20. In Yvelines (78), we head to the Datcha – the Ivan Tourguéniev Museum, a charming Swiss-Russian-style chalet that once belonged to the writer, tucked away in the Bougival woods. [Read more]
Heritage Days 2026: Discover this museum dedicated to town gas hidden inside a factory
For Heritage Days 2026, discover in Alfortville a little-known museum dedicated to town gas, housed on the site of a former factory that supplied Paris and the Île-de-France region. [Read more]
Heritage Days 2026: Free tours at the Museum of the History of Medicine in Paris
European Heritage Days are back in Paris on the weekend of September 19–20, 2026. For the occasion, the History of Medicine Museum will open its doors to the general public for free on Saturday (booking required). On the program: an unusual and fascinating place to discover in the heart of the former Faculty of Medicine. [Read more]
Heritage Days 2026: Diamonds take center stage at Bucherer in Paris
For this new and 43rd edition of Heritage Days, Bucherer opens its doors to watch enthusiasts on Saturday, September 19, 2026. An opportunity to admire iconic timepieces from every angle at this exceptional gathering. [Read more]
Loto Studios to Open Specially for Heritage Days 2026
On the occasion of the European Heritage Days 2026 and to celebrate the Loto’s 50th anniversary, FDJ United studios will exceptionally open their doors to the public for the very first time. Discover the history and the behind the scenes of the famous draws in Boulogne-Billancourt on September 19 and 20. [Read more]
Heritage Days 2026: discover the Ballonnière Museum and the jamboree in Moisson (78)
Discover the quirky Ballonnière Museum and the 1947 jamboree, in the town of Moisson in the Yvelines, for Heritage Days, held on September 19–20, 2026. [Read more]
Heritage Days 2026: a visit to the Bois-Colombes air-raid shelter (92)
History and World War II enthusiasts will be able to enjoy Heritage Days on September 19 and 20, 2026, by visiting the Bois-Colombes air-raid shelter, open to visitors for this occasion. [Read more]
Journées du Patrimoine 2026 : discover the park at Château de Bourdonné in Yvelines
Private property closed to the public, the Château de Bourdonné will exceptionally open its verdant park for Heritage Days 2026. A rare opportunity to glimpse the exterior of this elegant Louis XIII–style residence nestled in the heart of the Yvelines. [Read more]
Heritage Days 2026: guided tour of the Elsa Triolet–Aragon House in Yvelines
In the heart of the Yvelines, the Elsa Triolet–Aragon house stands as a testament to the love shared by the two writers, and you’ll be able to visit it free of charge on September 19 and 20, 2026, for Heritage Days. [Read more]
Heritage Days 2026 at Parc aux Étoiles (78): astronomy and space exploration
Ready to embark on a cultural journey that rockets straight to the stars? On September 19 and 20, 2026, the European Heritage Days fling open the doors to unusual places, and the Parc aux Étoiles in Triel-sur-Seine (78) shines on the program with its captivating immersion in astronomy and space exploration! [Read more]
Heritage Days 2026: discover Houdan’s medieval town and its keep (78)
In the heart of the Yvelines, a picturesque medieval town hides numerous remnants of the Middle Ages, from its keep and its fortifications to its old inns. For Heritage Days, on September 19 and 20, 2026, come discover them in Houdan! [Read more]
Heritage Days 2026: visit the André Derain House, the workshop of a Fauvist master (78)
Let your eyes wander and your footsteps stray for Heritage Days on Sunday, September 20, 2026. In Chambourcy, in the Yvelines (75), the André Derain House-Museum reveals the Fauvist master's studio and other flamboyant keepsakes from the 20th century. [Read more]
Heritage Days 2026: offbeat and free activities at the Désert de Retz (78)
For the 2026 Heritage Days, a one-of-a-kind experience awaits you at the Désert de Retz in Chambourcy, Yvelines, this Sunday, September 20, 2025. A picturesque, romantically framed journey into a site steeped in history and architectural wonders. [Read more]
Heritage Days 2026 at the Museum of Hunting and Nature in Paris — the program
And how about a visit to the Museum of Hunting and Nature on September 19 and 20, 2026, for Heritage Days? On the program: free, self-guided tours of the museum and its exhibition! A wonderful discovery awaits. [Read more]
Journées du Patrimoine 2026 à l'Observatoire de Paris : free guided tour of the historic building
The Paris Observatory swings into the rhythm of European Heritage Days 2026, inviting the public to a free guided tour on Sunday, September 20. [Read more]
Heritage Days 2026 at the Hôtel de Charost, the residence of the British Ambassador to France.
Looking to explore places that are usually off-limits? Heritage Days pull back the curtain on Paris and the Île-de-France. This year, the Hôtel de Charost, the residence of the British Ambassador, opens its doors by reservation. Save the date: Saturday, September 19, 2026. [Read more]
Heritage Days 2026 in Paris: an exceptional tour of Le Monde newspaper
Heritage Days take place in Paris from September 19 to 20, 2026. For the curious seeking special access, Le Monde opens the doors to its new offices for a free tour and presents a full festival of events. Here’s the weekend program. [Read more]
Heritage Days 2026 at the Élysée Palace—the museum of the Presidential Palace
The European Heritage Days are back on September 19 and 20, 2026 for another edition, more offbeat than ever. And this year, just steps from the presidential palace, the Élysée Palace invites you behind the republican curtain, between iconic rooms and diplomatic curiosities. [Read more]
Heritage Days 2026: Exploring Cité Falguière, a hidden artistic treasure
Les Journées du Patrimoine 2026 reveal a hidden gem: the Cité Falguière in Paris. Mark your calendars for September 19 and 20 for a unique journey through the capital’s artistic history during this 43rd edition. [Read more]
Journées du Patrimoine 2026 à Paris : visit the Polish Library and its hidden museums
The Polish Library in Paris participates in Heritage Days on Saturday, September 19, 2026. It's an opportunity to discover this little-known corner of the capital, as well as its three hidden museums: the Adam Mickiewicz Museum, the Biegas Museum, and the Frédéric Chopin Salon. [Read more]
Heritage Days 2026: exclusive tours of the Bank of France in Paris
On the occasion of the 2026 Heritage Days, the Bank of France — housed in the Hôtel de Toulouse in the 1st arrondissement of Paris — will exceptionally open its doors on Saturday, September 19. It’s a chance to tour its gilded gallery and grand salons, and to explore the bank’s history and activities through a playful, engaging visit. [Read more]
Journées du Patrimoine 2026 : discover the Louvre Museum and its art studios in Paris
Event for Heritage Days 2026! On Saturday, September 19 and Sunday, September 20, 2026, the Louvre Museum’s art studios in Paris will exceptionally open their doors to you (registration required). A chance to learn more about their unique craft. It’s also an opportunity to discover the architecture of the famous Parisian museum! Note that bookings are moving fast—grab your tickets without delay. [Read more]
Heritage Days 2026 at the Royal Château of Montceaux: a glimpse into the Château of the Three Queens
How about we head off to discover the ruins of the Royal Château of Montceaux? This historic site in Seine-et-Marne opens its doors for the Heritage Days weekend on September 19–20, 2026. [Read more]
Heritage Days 2026 at Trajan Tower (91): a tour of the ancient column of Méréville
Did you know that a Roman monument overlooks the Essonne? We’re taking advantage of Heritage Days on September 19 and 20, 2026 to discover Trajan’s Tower, this curiosity of the town of Méréville! [Read more]
Heritage Days 2026: a wealth of fascinating sites to discover in Saint-Denis (93)
The city of Saint-Denis is undoubtedly one of the most captivating towns in Seine-Saint-Denis: proof is in its numerous sites to visit during Heritage Days on 19 and 20 September 2026. [Read more]
Heritage Days 2026: in the heart of the Musée des Arts et Métiers' reserves in Saint-Denis (93)
On the occasion of Heritage Days, the Museum of Arts and Crafts opens the doors to its storerooms in Saint-Denis (93) this Saturday, September 19, 2026. More than 80,000 objects are catalogued, restored and preserved there since 1994. Note: registration is mandatory! [Read more]
Heritage Days 2026 at the Pina Bausch Conservatory, a music and dance school in Montreuil (93)
The European Heritage Days 2026, scheduled for September 19 and 20, unveil a slate of unusual venues, including the Pina Bausch Conservatory in Montreuil (93), a 1970s architectural gem. A chance to rediscover this recently renovated metallic jewel! [Read more]
Heritage Days 2026 at the Embassy of Italy in France: the secrets of a splendid townhouse
For Heritage Days 2026, the Italian Embassy in Paris opens its doors on Saturday, September 19 for a special tour. A site steeped in history, in the heart of the capital, to be explored free of charge for a weekend (booking is required). [Read more]
Explore a renowned couturier's library for the 2026 Heritage Days
On the occasion of European Heritage Days, September 19–20, 2026, many places usually closed to the public will open their doors to visitors in Paris and Île-de-France. Among them, the Jacques Doucet Library invites curious readers to discover a little-known site, born from a renowned fashion designer’s passion for books, the arts, and knowledge. [Read more]
A contemporary art exhibition at the Russian Orthodox Cultural Center for Paris’s 2026 Heritage Days
You’ll recognize it by its landmark—the cathedral with golden domes that overlooks the Seine. The Russian Orthodox cultural and spiritual center invites you to the 2026 Heritage Days with a special program slated for the weekend of September 19–20. [Read more]
Heritage Days 2026 at the National Institute of Art History and in its library (INHA)
For the 43rd edition of Heritage Days, the National Institute of Art History invites you to explore a range of free tours and activities for the whole family on September 19 and 20, 2026. It's a chance to step inside a building typically reserved for students and researchers. [Read more]
This air-raid shelter in the Paris region will be open to visitors for the 2026 Heritage Days.
Heritage Days are back in the Île-de-France region, and for the occasion an air-raid shelter dating from World War II will be open to visitors in an exceptional visit over the weekend of 19–20 September 2026. [Read more]
Heritage Days 2026: discover Jean Monnet's house in Bazoches-sur-Guyonne (78)
Trace the steps of one of the founders of the European Union for Heritage Days 2026. In the heart of the Yvelines, the Maison Jean Monnet awaits you for the weekend of 19 and 20 September 2026. [Read more]
In Carrières-sous-Poissy, the Galiotte huts open to the public for the 2026 Heritage Days.
As part of the 2026 Heritage Days, set out to discover the floating cabins of the Galiotte, their history, and their distinctive architecture. [Read more]
Heritage Days 2026 at the House of Latin America in Paris
Craving a weekend off the beaten path? On Sunday, September 20, 2026, step through the doors of the Maison de l’Amérique latine in Paris for a rare, reservation-only tour during the Journées du Patrimoine. A venue steeped in history where grand townhouses, hidden gardens, and Latin–French heritage converge in the heart of Saint-Germain. [Read more]
Heritage Days 2026 at the Police Prefecture Museum, into the world of investigators
For the 2026 Heritage Days, we’re heading to the Musée de la Préfecture de Police in Paris’s 5th arrondissement. Far from the TV crime dramas, you’ll see real artifacts and hear experts speak in a conference format. Bring the family for Saturday, September 19 and Sunday, September 20, 2026, with a special program! [Read more]
Heritage Days 2026 at Maison Ferrari (92): the Duchess of Galliera's legacy.
Heading to the Hauts-de-Seine for the 2026 Heritage Days, and to Maison Ferrari in Clamart, built by the Duchess of Galliera, which today houses a retirement home, in a sublime setting. [Read more]
Heritage Days 2026 in Paris: explore the fascinating Institute of Human Paleontology
Heritage Days await you in Paris and the Île-de-France region on the weekend of 19 and 20 September 2026. For the occasion, the Institute of Human Paleontology, founded by Prince Albert I of Monaco, will exceptionally open its doors to the public. Discover the weekend’s program. [Read more]
Heritage Days 2026: historical reenactments, old-fashioned games and trades of yesteryear at the Museum of Life in Days Gone By (77)
The Museum of Life of Former Times invites you to immerse yourself in the crafts of the past during Heritage Days 2026, the weekend of September 19–20, 2026. [Read more]
Heritage Days 2026 at Claude Monet's Impressionist House in Argenteuil (Val-d'Oise)
For the 2026 Heritage Days, Claude Monet's Impressionist House invites you to Argenteuil on September 19 and 20, 2026. Check out the program! [Read more]
Heritage Days 2025: visit the Orville archaeological site in Louvres (95)
On the weekend of September 20 and 21, 2025, many cultural and historical sites will be opening their doors for the European Heritage Days. In Louvres (95), the Orville archaeological site opens its doors to the public for the occasion. [Read more]
Period costumes and a bread oven: Heritage Days program at Fort de Cormeilles-en-Parisis
Visit Fort de Cormeilles during the Heritage Days on Sunday, September 20, 2026. This former military fort, now owned by the Île-de-France Regional Green Spaces Agency, opens its doors to families and history buffs, free of charge, of course! [Read more]
A remarkable visit to the Château de la Celle-Saint-Cloud for Heritage Days 2026
In the heart of the Yvelines, the Château de la Celle-Saint-Cloud, owned by the Ministry of Europe and Foreign Affairs, is exceptionally opening its doors for Heritage Days 2026 on the weekend of September 19–20: here’s the programme! [Read more]
European Heritage Days 2026 at the Hôtel de Roquelaure, home to the Ministry of Ecological Transition
Seeking an exceptional tour for Heritage Days 2026? In Paris, the Hôtel de Roquelaure, the current seat of the Ministry of Ecological Transition and Territorial Cohesion, unveils its program for the weekend of September 19–20, 2026. Don’t forget to book your visit! [Read more]
This vault is the last remnant of a former medieval hospital, and it will be unveiled for Heritage Days 2026.
Right in the heart of Provins' medieval city, a rich heritage awaits that's well worth a detour. For Heritage Days 2026, visitors will have the chance to discover the Caveau du Saint-Esprit this weekend, September 19–20, 2026. [Read more]
Hidden beneath an old convent, this Pontoise crypt will be exceptionally open to visitors for the 2026 Heritage Days.
In Pontoise, the crypt of the English Benedictine Convent will unusually open its doors on September 19 and 20, 2026. Discover this little-known landmark of Val-d'Oise heritage and its history. [Read more]
Heritage Days 2026 at Maison Saint-Sulpice: visit this former seminary in Paris
On the occasion of Heritage Days, the Maison Saint-Sulpice in Paris opens its doors for a special visit on Saturday, September 19, 2026. Step into the history of this former 17th‑century seminary, wander its tranquil gardens, and discover its pivotal role in Paris’s religious and cultural life! [Read more]
Montagu Castle in Essonne reveals its lineup for the 2026 European Heritage Days.
This Essonne treasure reveals its secrets for the 43rd edition of Heritage Days: Montagu Castle invites you to join in and unveils its program for the weekend of September 19–20, 2026. [Read more]
Treasure hunt and music at Victor Hugo's literary house for Heritage Days
Victor Hugo's literary house, in Bièvres, Essonne, will open its doors free to the public on September 19 and 20, 2026, for Heritage Days. [Read more]
Heritage Days 2026: explore the Valentin Haüy Museum, devoted to the history of the blind.
For the 43rd edition of Heritage Days, the Valentin Haüy Museum invites Parisians and residents of Île-de-France to explore the history of blindness, on Saturday, September 19, 2026. [Read more]
Journées du Patrimoine 2026 : a deep dive into Paris's enigmatic sewer museum
The Paris Sewer Museum is taking part in the new edition of Heritage Days. See you Saturday, September 19 and Sunday, September 20, 2026, for unusual tours beneath the capital’s streets. [Read more]
Which secret location(s) will you be discovering this year?
Dates and Opening Time
From September 19, 2026 to September 20, 2026
Prices
Free
