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: discover Paris' oldest armory
During these Heritage Days 2026, the Coudurier Armory opens its doors to the curious and the enthusiasts. Meet us on Sunday, September 20, to discover the capital's oldest armory. [Read more]
Heritage Days 2026: Exclusive tour of the Domaine de Sillery
On the occasion of Heritage Days 2026, explore the Domaine de Sillery in Épinay-sur-Orge, a little-known treasure of Essonne that blends a historic château with a landscaped park. [Read more]
Heritage Days 2026: Explore the Grand Cellar of the Priory of Conflans-Sainte-Honorine
Every autumn in Île-de-France, the Heritage Days fling open doors usually shut to the public: on September 19–20, 2026, dive into the region’s medieval history by stepping through the Grand Cellar of the Priory in Conflans-Sainte-Honorine. [Read more]
Heritage Days 2026 in Paris: the Hôtel de Monaco, residence of the Polish ambassador
For the 43rd edition of Heritage Days in Paris, the Hôtel de Monaco—home to the Polish ambassador's residence—will exceptionally open its doors on Saturday, September 19, 2026. [Read more]
Heritage Days 2026: ESA's Paris headquarters opens its doors
Get ready to lift off for a weekend of exploration as Heritage Days return, September 19–20, 2026. Museums, grand townhouses and unusual venues will open free of charge for two days, inviting visitors to orbit around our historical treasures. This year, set course for the stars: the European Space Agency (ESA) headquarters will open its doors to the public. [Read more]
Heritage Days 2026 at the Eugène Napoléon Foundation in Paris
Discover the fascinating history of the Fondation Eugène Napoléon in Paris during Heritage Days 2026, on September 19 and 20. Immerse yourself in the Second Empire era and explore an indispensable architectural and cultural heritage. A heritage experience you won’t want to miss! [Read more]
Explore Montgomery's tomb, a forgotten treasure, for Heritage Days 2026.
For the 2026 Heritage Days, head to Chevreuse in the Yvelines department to discover the fascinating mausoleum of Count Henri Georges de Pembroke and Montgomery, a little-known treasure of Île-de-France. [Read more]
The Thinot Art Foundry opens its doors for Heritage Days 2026.
Craving an offbeat outing in Île-de-France? For the 2026 Heritage Days, the Thinot Art Foundry in Châtillon (92) opens its workshops. Discover the secrets of bronze and artistic casting on the doorstep of Paris. [Read more]
Guided tours to the heart of Monsieur's Farm, Louis XVI's brother, for Heritage Days 2026.
For the 2026 Heritage Days, set off to explore Monsieur's Farm in Mandres-les-Roses. Dive into the history of this Val-de-Marne agricultural estate linked to the brother of Louis XVI. [Read more]
Heritage Days 2026: explore the remarkable art village of Chomo in Seine-et-Marne
Heading to the Fontainebleau forest for Heritage Days 2026! Make your way to Achères-la-Forêt in Seine-et-Marne to discover Chomo’s art village, an offbeat open-air sanctuary of outsider art. [Read more]
Heritage Days 2026: balcony concert at the Maurice Ravel House-Museum (78)
Head to Yvelines for Heritage Days, a department brimming with treasures to discover! On Sunday, September 20, 2026, the Maurice Ravel House-Museum invites you into the composer’s musical world. [Read more]
Journées du Patrimoine 2026: unusual tour of Villenoy's cone-shaped anti-aircraft shelter (77)
Are you familiar with the Villenoy conical anti-aircraft shelter? Don’t miss the 2026 edition of Heritage Days to discover this nationally unique monument, located in Seine-et-Marne. [Read more]
Circus workshops, a market and vintage cars for Heritage Days at Château Arribas
Craving to explore Paris and the Île-de-France’s hidden treasures? On September 19 and 20, 2026, the European Heritage Days open the doors for free to historic and offbeat sites, often closed to the public. Two days to wander, marvel, and uncover unique spots, including Château Arribas. [Read more]
The Dacha Program at the Ivan Turgenev Museum for Heritage Days 2026
The Datcha, Ivan Turgenev Museum, invites us to the 2026 Heritage Days on September 19 and 20, 2026. Here’s the program! [Read more]
Heritage Days 2026: Explore the House of Protestantism in Paris
The House of Protestantism will, exceptionally, open its doors to the public on 19 and 20 September 2026 for Heritage Days. [Read more]
European Heritage Days 2026 at the Hôtel de Noailles in Saint-Germain-en-Laye (78): the program
Prêt.e.s à dénicher un trésor caché ? On September 19 and 20, 2026, the European Heritage Days invite you to step behind the doors of a little-known gem: the Hôtel de Noailles in Saint-Germain-en-Laye (Yvelines 78). An invitation to explore history, art, and architecture off the beaten track! [Read more]
Heritage Days 2026: the mysteries of Paris's Masonic Temple come to light
On the occasion of Heritage Days 2026, the headquarters of Le Droit Humain, the world’s first mixed-gender Masonic order, opens its doors in Paris. An exceptional visit to explore a site rich in history and symbolism on September 19 and 20, 2026. [Read more]
Heritage Days 2026 at the Potager du Dauphin in Meudon: an eclectic weekend
At the start of the new season, History is lived on a grand scale! The European Heritage Days invite you, on 19 and 20 September 2026, to unprecedented access to iconic treasures as well as others that are sometimes less well known. Among them, the Potager du Dauphin in Meudon preserves its royal history and hosts art workshops of the highest calibre. [Read more]
Heritage Days 2026: explore the Agutte-Sembat House, the residence of Marcel Sembat and Georgette Agutte
For Heritage Days 2026, explore the Agutte-Sembat House in Bonnières-sur-Seine (78). Discover the captivating world of deputy Marcel Sembat and painter Georgette Agutte through a unique visit in Île-de-France. [Read more]
Heritage Days 2026 at the François Le Comte ice rink, listed as a remarkable example of contemporary architecture.
For Heritage Days 2026, the François Le Comte ice rink in Évry-Courcouronnes lifts the veil on its secrets. Discover this 1970s gem, designated as Remarkable Contemporary Architecture in Essonne. [Read more]
Heritage Days 2026 in Saint-Denis: take a tour of the Maison d'éducation de la Légion d'honneur
On the occasion of Heritage Days 2026, the Maison d'Éducation de la Légion d'honneur in Saint-Denis will exceptionally open its doors for guided tours on Saturday, September 19, 2026. [Read more]
Heritage Days 2026 at the Living Railway Museum (Ajecta) in Longueville (77)
Ready for a time-travel journey at full steam? On September 19 and 20, 2026, the European Heritage Days open the doors to the Living Museum of the Railway in Longueville (77), a place where steam locomotives and historic wagons tell more than 150 years of railway history. For the occasion, the venue is offering a special reduced rate. [Read more]
Heritage Days 2026: discover the Montauger estate and its nature reserve
For Heritage Days 2026, head to the Domaine de Montauger in Essonne to explore. Between a restored château, preserved marshes and educational trails, enjoy a free nature outing on 19 and 20 September 2026. [Read more]
Heritage Days 2026: Explore the Ferme d'Ithe and its enigmatic Gallo-Roman remains in Yvelines (78)
Tread in the footsteps of the Gallo-Romans on September 19 and 20, 2026, with a guided tour of Ferme d'Ithe, a well-preserved historic site in the heart of the Île-de-France countryside. [Read more]
Heritage Days 2026: explore the King's Small Stable and its Sculpture Gallery
Housed in the King’s Little Stable at Versailles, the Gallery of Sculptures and Casts sits hidden away. This little-known, unusual museum awaits you on September 19, 2026, for Heritage Days. [Read more]
European Heritage Days 2026: offbeat activities at the Louis Braille Museum (77)
For Heritage Days, the Louis Braille Museum and its gardens welcome you with a special program. Save the date: September 19 and 20, 2026! Here is the weekend program. [Read more]
The Sewer Museum opens its doors for free during Heritage Days 2026.
The Paris Sewer Museum is taking part in the new edition of Heritage Days! Meet on Saturday, September 19 and Sunday, September 20, 2026 for unconventional tours into the depths of Paris. [Read more]
Heritage Days 2026: set off to discover the Château de Jambville, the Scouts of France’s HQ
Embark on a discovery of the Château de Jambville in Yvelines for the 2026 Heritage Days. History, nature, and architectural curiosities await you in the heart of the Vexin. [Read more]
Heritage Days 2026 at the fashion photographer Frank Horvat's studio in Boulogne-Billancourt
Frank Horvat's studio-home, the workshop-house of the legendary fashion photographer, opens its doors for Heritage Days 2026 on September 19. In this Boulogne-Billancourt studio, discover half a century of photographs and archives, commented by the artist's own daughter! A must-attend event for fashion enthusiasts. [Read more]
Heritage Days 2026 in Paris, at the heart of the Cité Montmartre-aux-artistes
Not far from Montmartre’s hill lies a genuine artists’ city, the largest in Europe! During Heritage Days, we go to discover this astonishing, inspiration-filled place in the heart of Paris’s 18th arrondissement, this weekend of September 19–20, 2026. Here’s what’s in store for you. [Read more]
Explore La Ruche, the century-old artists' colony and its gardens during Heritage Days 2026.
Join Heritage Days on September 19 and 20, 2026, for a healthy dose of culture! Over an entire weekend, wander the capital in search of the secrets hidden within the city’s castles, museums, and monuments. A free odyssey that will lead you to lesser-known spots like La Ruche Seydoux, a landmark that has welcomed some of the greatest artists. [Read more]
Heritage Days 2026: The Coubertin Foundation Reveals Its Treasures in Yvelines (78)
In Saint-Rémy-lès-Cchevreuse, in Yvelines, the Coubertin Foundation will participate in Heritage Days 2026 on Saturday, September 19 and Sunday, September 20. This 30-hectare estate opens its Garden of Bronze and invites visitors on a tribute trail. [Read more]
Hauts-de-Seine: discover this enigmatic underground labyrinth for the 2026 Heritage Days
Craving an offbeat adventure? The King's Caves in Sèvres reveal their stone labyrinth for the 2026 Heritage Days in Île-de-France. [Read more]
Heritage Days 2026: explore the Saint-Blaise des Simples chapel, Jean Cocteau’s final resting place
On the occasion of Heritage Days 2026, journey to Milly-la-Forêt in Essonne to discover the Saint-Blaise des Simples chapel, decorated by Jean Cocteau. A poetic and unconventional getaway in Île-de-France! [Read more]
This vineyard in the heart of the Yvelines opens its doors for the 2026 Heritage Days.
Ready to raise a glass to heritage? European Heritage Days 2026 offer a weekend that’s as cultural as it is wine-focused, on September 19 and 20. Set your sights on the Yvelines, at Domaine de La Bouche du Roi, for a getaway among rows of vines, historical tales, and sips to savour! [Read more]
Stroll through the heart of a ghost village in the Paris region for the 2026 Heritage Days.
Why did this small town in Val-d'Oise end up deserted in the 1970s? Come explore Goussainville's Old Village and its unique heritage during Heritage Days 2026. [Read more]
Inauguration of the Vanves ice houses and their unusual chapel for Heritage Days 2026
During the 2026 Heritage Days, set off to discover Vanves’ restored ice houses and their surprising neo-Romanesque chapel at the heart of Parc Frédéric Pic. A fascinating plunge into the quirky heritage of Hauts-de-Seine, on the doorstep of Paris! [Read more]
This pavilion, with an oriental-palace flair, invites you to the 2026 Heritage Days.
A relic of the 1878 World’s Fair, the Pavilion of the Indies stands out as an unconventional building in Courbevoie. Discover this hybrid oriental palace during Heritage Days 2026, on the weekend of September 19–20! [Read more]
Heritage Days 2026: an architectural tour of the Memorial to the Martyrs of Deportation
On the occasion of Heritage Days 2026, discover the Memorial to the Martyrs of Deportation, a memorial site located on Île de la Cité in Paris. Immerse yourself in the history of those deported during World War II and enjoy this moving, free visit, exceptionally open to the public on September 19 and 20. A must-attend event for all history and heritage enthusiasts. [Read more]
European Heritage Days 2026: Deaf culture takes the spotlight at the International Visual Theatre in Paris
Les Journées du Patrimoine are back on September 19 and 20, 2026! To mark the occasion, the International Visual Theatre, a landmark venue in Deaf culture, invites you to a fresh, playful, immersive tour into the world of sign language. Discover the lineup of activities planned for this 43rd edition. [Read more]
Heritage Days 2026: Free tour of the private arboretum at Château de Vilmorin (91)
A little stroll into the heart of nature for Heritage Days 2026—are you in? On September 19, head to Essonne and the Château de Vilmorin to discover the family's private arboretum! [Read more]
This stunning troglodyte church is worth discovering during the 2026 Heritage Days in the Paris region.
A church carved into a cliff in the Paris region? It’s one of Île-de-France’s most unusual treasures you’ll be able to discover during the 2026 Heritage Days, on September 19 and 20. [Read more]
Heritage Days 2026: visit the archaeological dig site in Provins (77)
During the European Heritage Days, on 19 and 20 September 2026, head to the Provins archaeological dig site and uncover the treasures of the past in the Seine-et-Marne department. [Read more]
Heritage Days 2026 in Saint-Germain-en-Laye (78): the royal city’s program.
Heritage Days are back on 19 and 20 September 2026 in Paris and Île-de-France, bringing you fresh cultural discoveries. In Yvelines, Saint-Germain-en-Laye stays true to tradition and presents a 'royal' program to explore during this exceptional weekend. On your calendars: mark these dates! [Read more]
This monastery in Seine-et-Marne is opening its doors for Heritage Days 2026, in an exceptional move.
Usually discreet, the Saint-Joseph Monastery in Brou-sur-Chantereine preserves a 19th-century residence, a circular church, and an astonishing old ice house. [Read more]
Heritage Days 2026: a vanished estate still leaves its mark in Châteaufort
In Châteaufort, the Domaine d’Ors preserves the traces of a former estate now ringed by protected natural spaces. A story to rediscover in the heart of the Chevreuse Valley on Saturday, September 19, 2026. [Read more]
This hidden mill in Yvelines unveils itself for the 2026 Heritage Days
Off to Châteaufort to discover Moulin d’Ors, a 19th-century wheat mill and a striking witness to the history of the Chevreuse valley. [Read more]
The Louvre reveals its art studios and secrets for Heritage Days 2026
Event for Heritage Days! On Saturday, September 19 and Sunday, September 20, 2026, the Louvre Museum’s art studios in Paris will open their doors to the public for a rare appearance (registration required). A chance to learn more about their unique know-how. It is also an opportunity to explore the architecture of the iconic Parisian museum! Reservations are open, here’s what to expect this weekend. [Read more]
Heritage Days 2026 in Paris: discovering the secrets and hidden places of the RATP
RATP participates in the new edition of Heritage Days with a voyage across the entire network, inviting you to discover the metro in a playful way. Activities, exclusive experiences, tours... See you at four corners of Paris on September 19 and 20, 2026! [Read more]
Heritage Days 2026: Investigating paranormal phenomena at the Institut Métapsychique International
Paranormal phenomena, parapsychology and the history of science are on the agenda at the International Metapsychical Institute for Heritage Days, September 19–20, 2026. In Paris, visitors can discover a unique venue that has been devoted for more than a century to the study of these unexplained experiences. [Read more]
In Paris, during the 2026 Heritage Days, discover the Maison d’Ourscamp, tucked away in the heart of the marsh.
For the 2026 Heritage Days in Paris, discover the Maison d'Ourscamp, one of the few remaining examples that blend medieval and Renaissance architecture in the city. Join us on Saturday, September 19 and Sunday, September 20, 2026 for a free family outing, highlighted by guided tours. [Read more]
Discover a 15th‑century historic mill during the 2026 Heritage Days in the Paris region.
In Jossigny, the Belle-Assise Mill is taking part in Heritage Days 2026 and invites visitors to discover a well-preserved rural heritage this weekend of September 19–20, 2026. [Read more]
Heritage Days 2026: Explore the Maison des Métallos and Its History in Paris
La Maison des Métallos opens its doors in the 11th arrondissement for Heritage Days on September 19 and 20, 2026. Juxtaposing workers’ memory, architecture, and contemporary creation, the venue invites you to rediscover its history and the many lives that have shaped this Parisian cultural address. [Read more]
Heritage Days 2026: uncover the secrets of Balzac's House in Paris
The bucolic Maison de Balzac invites you to free admission for Heritage Days, the weekend of September 19–20, 2026 in Paris. A chance to uncover this tucked-away address that drops you into the world of the renowned French writer. [Read more]
Heritage Days 2026: discover the Hôtel de Mercy-Argenteau with the School of Jewelry Arts
The Hôtel de Mercy-Argenteau welcomes the public in collaboration with the School of Jewelry Arts for the Heritage Days, on September 19–20, 2026. Guided tours and activities invite visitors to discover this historic Paris venue through the world of jewelry and craftsmanship. [Read more]
In Ivry-sur-Seine, the Moulin de la Tour rewinds the clock for the 2026 Heritage Days.
A rare remnant of Ivry-sur-Seine’s rural past, the Moulin de la Tour will be open for European Heritage Days on 19 and 20 September 2026. A visit to better understand the history of this monument and the transformations of Val-de-Marne. [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 in the gardens of École du Breuil, Paris, inside the Bois de Vincennes
Heritage Days 2026 will lead you to the heart of the gardens of the École du Breuil in Paris on September 19 and 20, 2026. Don’t miss this exploration into the art of botany in the 12th arrondissement of the capital, in the heart of the Bois de Vincennes! [Read more]
Heritage Days 2026: Léon Blum House to open its doors free of charge in Yvelines
On 19 and 20 September 2026, the Maison Léon Blum in Jouy-en-Josas will open its doors free of charge for Heritage Days, offering tours and concerts. [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]
Val-de-Marne: this former orphanage opens its doors for the 2026 Heritage Days.
Constructed starting in the 1920s, the Adolphe-Chérioux estate in Vitry-sur-Seine is today devoted to teaching and training. Its history will be showcased during Heritage Days 2026. [Read more]
Heritage Days 2026 in Paris: Rediscover the Tour Jean-Sans-Peur
We get a glimpse of the medieval world of the Tour Jean-Sans-Peur during Paris’s Heritage Days 2026, over the weekend of September 19–20, 2026. An opportunity to explore this remnant of the Dukes of Burgundy’s palace through a special program! [Read more]
Setting course for the stars at the Meudon Observatory for Heritage Days 2026.
Usually closed to the public, the Paris Observatory’s Meudon site will open its doors for Heritage Days. On Saturday, September 19, 2026, several tours will give visitors the chance to explore this iconic site, available by reservation. [Read more]
Heritage Days 2026: Saint-Pierre-du-Gros-Caillou reveals its secrets in Paris' 7th arrondissement
In Paris’s 7th arrondissement, the Saint-Pierre-du-Gros-Caillou churchwill participate in Heritage Days on September 19–20, 2026. Its architecture, its history, and its proximity to the Eiffel Tower make it a compelling stop to discover another side of the neighborhood. [Read more]
European Heritage Days 2026: Activities at the Jean-Jacques Henner Museum in Paris
To mark the 43rd Heritage Days, the Jean-Jacques Henner Museum in Paris opens its doors free of charge on September 19 and 20, 2026. Here’s what this weekend has in store for you… [Read more]
European Heritage Days 2026: Free access to Paris's Gustave Moreau museum-workshop
Heritage Days are taking place this weekend, September 19–20, 2026, in Paris and Île-de-France. How about an immersion in the studio of a French painter? We reveal the program for the Gustave Moreau Museum, that intimate museum with boundless charm and its iconic staircase. [Read more]
Heritage Days 2026: A tour of the Saint-Georges Chapel in Paris
La Chapelle Saint-Georges opens to the public in Paris for Heritage Days, on 19 and 20 September 2026. A rare chance to explore its history, its architecture, and a discreet corner of Parisian heritage. [Read more]
A major shoemaker reveals its Paris townhouse for Heritage Days 2026.
Ready to walk in Roger Vivier’s footsteps? For Heritage Days 2026, the Maison will unusually open its Paris townhouse to the public for a deep dive into iconic heels, archives, and the craft behind them, on September 19 and 20. [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]
The House of the Italians, Versailles’ little-known monument, opens for Heritage Days 2026!
Want to discover the secrets of heritage without spending a single euro? On 19 and 20 September 2026, the European Heritage Days will open doors to places that are both quirky and iconic across France. This year, in the Yvelines (78), the event offers a chance to visit the Maison des Italiens in Versailles, an elegant hôtel particulier that is listed as a historic monument. [Read more]
Visit the home of a renowned Impressionist painter in the Paris region during Heritage Days 2026.
What if we take advantage of Heritage Days 2026 to trace the steps of one of the greatest impressionist painters: Claude Monet. Here’s the program waiting for you at the heart of his Vétheuil residence for this weekend of September 19–20, 2026. [Read more]
This little-known château in Essonne will open to the public on an exceptional basis for the 2026 Heritage Days.
This Sunday, September 20, 2026, the Château de Bierville will exceptionally open its doors to the public on the occasion of the European Heritage Days. A chance to discover a place steeped in nearly a thousand years of history and a unique social commitment in Île-de-France. [Read more]
Heritage Days 2026 at Hôtel Gouthière - Conservatoire Hector Berlioz in Paris, the programme
The European Heritage Days 2026, on September 19 and 20, will throw open Paris’s best-kept secrets to you! Head to the Hôtel Gouthière, an 18th-century building little known to the public, conceived by the royal chaser-and-gilder Pierre Gouthière. Nestled in the heart of the 2nd arrondissement, this historic pavilion today houses the Hector Berlioz Conservatory… and it’s waiting for you to uncover its secrets! [Read more]
Heritage Days 2026: in Bagnolet, plunge into the history of the surprising peach-walled orchard
Just a stone's throw from Paris, the Bagnolet peach orchard bears witness to a little-known horticultural past. Heritage Days 2026 offer a chance to discover this emblematic site in Seine-Saint-Denis. [Read more]
This villa by Hector Guimard opens its doors for Heritage Days 2026.
In Le Vésinet, La Hublotière unveils the world of Hector Guimard, a pioneer of Art Nouveau, during the Heritage Days on September 19–20, 2026. [Read more]
This picturesque manorial estate is open to visitors for Heritage Days 2026 in the Paris region.
In Bazemont, in the Yvelines, a former Renaissance château and its outbuildings are open to the public for the 2026 Heritage Days. [Read more]
Journées du Patrimoine 2026: Step inside the Villa des Roses in Asnières-sur-Seine
On 19 and 20 September 2026, take part in the Journées du Patrimoine to discover Villa des Roses, an elegant 19th‑century residence where the worlds of the circus, artists, and Île-de-France heritage converge. [Read more]
This remarkable cottage, with its witch’s-house vibe, is open for tours during Heritage Days 2026.
On the occasion of the 2026 European Heritage Days, discover Wood Cottage, a true architectural gem of Le Vésinet, an uncanny residence that evokes the universe of a fantasy film. The program is here. [Read more]
Discover Joséphine Baker’s villa during Heritage Days 2026!
European Heritage Days mark their 43rd edition this year, and for music-hall fans it's the perfect moment! You’ll be able to step through the doors of the villa of an iconic figure: Joséphine Baker! See you on the weekend of September 19 and 20, 2026. [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]
Une exposition d’avions et un simulateur de vol pour les Journées du Patrimoine 2026 en région parisienne
An aircraft exhibition and a flight simulator for Heritage Days 2026 in the Paris region
Situated in the heart of the Versailles Plain, the Chavenay-Villepreux airfield opens its doors for Heritage Days 2026. From demonstrations of iconic aircraft to activities exploring aviation trades, experience an exciting immersion in the world of aeronautics. [Read more]
This former dairy near Paris is open to visitors only in September.
On September 19, 2026, push open the doors of the Laiterie d’Avon, a little-known gem in Seine-et-Marne that tells the story of an 18th‑century way of life. [Read more]
Heritage Days 2026: The Carmes Convent of Avon Opens Its Doors
On September 19 and 20, 2026, discover the Carmelite Monastery of Avon, a 17th‑century former convent located near Fontainebleau in Seine-et-Marne. [Read more]
Heritage Days 2026: Visit Daubigny’s House and Studio in Auvers-sur-Oise
On September 19 and 20, 2026, explore the painter Charles-François Daubigny’s home and its remarkable painted interiors created for Heritage Days in the Paris region! More details to follow. [Read more]
Near Fontainebleau, this musical manor is open to visitors only in September
At the edge of the Fontainebleau forest, this mansion steeped in the history of French music will open its doors for an exceptional weekend on September 19–20, 2026. [Read more]
Heritage Days 2026: Have you already visited the Absinthe Museum?
On September 19 and 20, 2026, discover an offbeat museum in Auvers-sur-Oise dedicated to the history of absinthe, the famous "Green Fairy" that defined Paris during the Belle Époque. [Read more]
Heritage Days 2026: step inside Auberge Ravoux, where Van Gogh spent his final days
In Auvers-sur-Oise, the Ravoux Inn opens its doors on September 19 and 20, 2026. It’s here that Vincent van Gogh spent the final months of his life and created some of his most famous works. [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]
Journées du Patrimoine 2026 : discover the Château de Vigny, a monument rescued from ruin
On September 19 and 20, 2026, the Château de Vigny opens its doors to the public. A visit to discover a Renaissance-era landmark in the Val-d'Oise, at the heart of an impressive restoration project. [Read more]
Journées du Patrimoine 2026: Auboin quarry’s winch comes back to life in Châtillon
On 19 and 20 September 2026, explore in Châtillon an old quarry winch listed as a Historic Monument, a rare witness to the stone extraction that built Paris. [Read more]
Heritage Days 2026: discover Alfortville’s secret town gas museum
The City Gas History Museum opens its doors for Heritage Days 2026 in September. Meters, vintage equipment and archives recount the energy history of Paris and the Île-de-France region. [Read more]
Heritage Days 2026 in Paris: Free tours at the Museum of the History of Medicine
Heritage Days are back in Paris this weekend, September 19–20, 2026. For the occasion, the History of Medicine Museum will open its doors to the public for free this Saturday (reservation required). On the programme: an unusual and captivating site to discover in the heart of the former Faculty of Medicine. Here’s more about this fascinating venue! [Read more]
Journées du Patrimoine 2026: Diamonds take center stage at the prestigious Bucherer boutique in Paris
The 43rd edition of Heritage Days lands in Paris, and Bucherer House opens its doors to watch enthusiasts on Saturday, September 19, 2026. It’s a chance to admire legendary watches from every angle at this exceptional event. Check out the program. [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]
The Ballonnière Museum and its jamboree reveal themselves during Heritage Days 2026.
Discover this remarkable museum dedicated to the local history of the town of Moisson in the Yvelines, during Heritage Days 2026, the weekend of September 19 and 20. [Read more]
European Heritage Days: an exceptional tour of the Bois-Colombes air-raid shelter (92)
Attention history enthusiasts: a remarkable World War II relic awaits, offering exclusive tours. The Bois-Colombes air-raid shelter will host a special program for the 2026 Heritage Days on September 19 and 20. [Read more]
Special opening of the park at Château de Bourdonné (78) for the 2026 Heritage Days
Private property closed to the public, the Château de Bourdonné will exceptionally open the gates to its verdant grounds for the Heritage Days 2026. A chance to discover this elegant Louis XIII–style residence in the heart of a Yvelines town, as seen from its gardens! [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), the space program
Craving a weekend that takes you to infinity and beyond? On September 19 and 20, 2026, the European Heritage Days fling open their doors to museums, institutions and unexpected venues. Among them, Parc aux Étoiles in Triel-sur-Seine (78) invites you to explore a captivating cosmic realm for free. [Read more]
Heritage Days 2026 in Houdan (78): the program for the medieval town
Nestled in the heart of Yvelines, a charming medieval town still hides a wealth of relics from the Middle Ages—dungeons, ramparts, and old inns. For Heritage Days on September 19 and 20, 2026, come and discover them in Houdan! Here’s what awaits you for this exceptional weekend. [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
