Here comes one of the events we look forward to with anticipation: the Journées du Patrimoine. This cultural event that spans across Europe awaits us every year in September. For a weekend, we go on a quest for the finest treasures of our heritage through often-free visits, the exceptional openings of places usually closed to the public, and original activities. And of course, Paris and all of Île-de-France are in on it! So set your calendars: September 19 and 20, 2026, and enjoy the Journées du Patrimoine.
If you're passionate about architecture, you won't want to miss this must-attend moment! The most beautiful buildings and the most surprising structures reveal their secrets for the occasion. Lots of architectural tours await you in Paris and across the entire region. So eager to discover the program for this new edition? Perfect, we’ve put together a selection of beautiful architectures to discover in the Île-de-France region for the Journées du Patrimoine 2026!
To make sure you don't miss out on any great outings, we invite you to bookmark this guide and consult it regularly right up to the big day!
Heritage Days 2026: Guided tour to discover the Comédie-Française
On the occasion of the 43rd edition of Heritage Days in Paris and Île-de-France, the Comédie-Française will exceptionally open its doors for guided tours on 19 and 20 September 2026. Please note, registration is required! [Read more]
Heritage Days 2026: explore the Conciergerie, the former prison of the French Revolution
On the occasion of Heritage Days, the Conciergerie invites you to free admission as it opens its doors on Saturday, September 19 and Sunday, September 20, 2026. What’s on the schedule? Self-guided tours of this former Parisian prison, steeped in history. [Read more]
Heritage Days 2026: visit Paris's Roissy-Charles-de-Gaulle Airport.
For Heritage Days 2026 in Seine-Saint-Denis (93), how about discovering France’s first airport? Yes indeed, Roissy-Charles-de-Gaulle Airport will host guided tours for this edition. [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: 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]
Heritage Days 2026: tours of Maubuisson Abbey (Val-d'Oise, 95) — the program
For Heritage Days, the Maubuisson Abbey opens its doors to visitors on Saturday, September 19 and Sunday, September 20, 2026. Check out the program! [Read more]
Rare tours by the Ministry of Culture of the Palais-Royal for the 2026 Heritage Days in Paris.
We know the Palais-Royal gardens well, one of Paris’s most iconic spots. Its palace, though, is less accessible to the public—and for a good reason: it houses the Ministry of Culture. Good news: for Heritage Days 2026, you’ll be able to visit the institution through an exceptional open day. Here’s everything you need to know. [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]
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]
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 in Boulogne-Billancourt (92): museums and monuments to visit
Heritage Days are back in Paris and the Île-de-France region. In Hauts-de-Seine, the city of Boulogne-Billancourt unveils a rich program of tours and activities for this weekend of September 19–20, 2026. Discover the program in detail! [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: step behind the scenes at the Paris Judicial Court
For the 2026 Heritage Days, the Paris Judicial Court opens the doors to its Renzo Piano–designed tower. A rare chance to explore this contemporary architectural masterpiece rising 160 meters, its sunlit grand halls, and the inner workings of Parisian justice in the 17th arrondissement. [Read more]
Heritage Days 2026: explore Villa Savoye in virtual reality (78)
La Villa Savoye opens its doors free of charge on September 19 and 20, 2026, to mark the new edition of Heritage Days, with virtual reality tours on the agenda. [Read more]
Visit and product tasting at the Embassy of Lithuania in Paris for Heritage Days
On the occasion of Heritage Days, the Embassy of Lithuania invites you to explore its spaces on Saturday, September 19, 2026. It’s the perfect moment to discover one of Paris’s most beautiful townhouses through an artistic program! Book your visit to the embassy. [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 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]
European Heritage Days 2026 at the Pina Bausch Conservatory, Montreuil’s music and dance school
European Heritage Days, organized for September 19 and 20, 2026, lift the curtain on unusual venues, including the Pina Bausch Conservatory in Montreuil (Seine-Saint-Denis), a 1970s architectural gem. A chance to (re)discover this metallic jewel recently renovated! [Read more]
Heritage Days 2026 at La Briqueterie in Vitry-sur-Seine (94): the program
La Briqueterie de Vitry-sur-Seine participates in Heritage Days on Saturday, September 19, 2026, and invites the public to discover the activities of this National Centre for Choreographic Development. [Read more]
Heritage Days 2026: visit Saint-Laurent Church in Paris
For Heritage Days 2026 in Paris, head to Saint-Laurent Church to discover this flamboyant Gothic masterpiece right in the heart of the capital. The program includes guided tours of the building on Saturday, 19 and Sunday, 20 September 2026. [Read more]
Heritage Days 2026 in Paris: rediscover the École des Beaux-Arts
L'école des Beaux-Arts de Paris invites the public to explore Heritage Days. Join us on 19 and 20 September 2026 to discover the program of the 43rd edition housed within this sublime building. A treat for art lovers! [Read more]
Heritage Days 2026 at La Seine Musicale (92): a sound stroll
The Seine Musicale is taking part in Heritage Days 2026 and, for the occasion, offers a sound walk. Here’s the schedule for this Saturday, September 19. [Read more]
Maison Ferrari, an exceptional tour into the heart of the Duchess of Galliera’s heritage for Heritage Days 2026
In Clamart, in the Hauts-de-Seine, Heritage Days are delivering a lineup of exceptional visits. In Clamart, the Maison Ferrari will swing its doors open for the weekend of September 19–20, 2026. [Read more]
Discover the National School of Architecture in Paris during Heritage Days 2026.
Among the exceptional openings planned for Heritage Days 2026, on September 19 and 20, you’ll find the National School of Architecture, which is offering its special program for the weekend of September 19–20, 2026. [Read more]
Heritage Days 2026: explore the Bibliothèque nationale de France’s Richelieu site in Paris.
The Richelieu site of the National Library of France is opening its doors free of charge for Heritage Days, on September 19 and 20, 2026. [Read more]
Here is Île-de-France’s sole troglodyte castle, open to visitors for the 2026 Heritage Days.
On the occasion of the Heritage Days on 19 and 20 September 2026, discover the Château de la Roche-Guyon, a unique landmark in Île-de-France, nestled in the Val d’Oise. [Read more]
Heritage Days 2026 at the Swedish Institute: guided tours to explore the Hôtel de Marle.
For the 43rd edition of Heritage Days, the Swedish Institute in Paris invites you to guided tours of the building that houses it: the superb Hôtel de Marle. Join us on Saturday 19 and Sunday 20 September 2026 to discover this little architectural gem! [Read more]
The secret museum at the headquarters of the Pharmacists’ Order for Heritage Days 2026 in Paris
A guided tour awaits you during Heritage Days 2026 at the National Order of Pharmacists’ headquarters and its dazzling architecture. Mark your calendars for September 19–20. [Read more]
Heritage Days 2026 at Paris's Gare de Lyon: go behind the scenes of its restoration
For Heritage Days in Paris, Gare de Lyon invites you to explore the secrets of its restoration during an exceptional weekend on September 19, 2026. [Read more]
Heritage Days 2026 at the Maison du Fontainier, a deep dive into Paris's water history
Are you ready to dive into Paris’s history during Heritage Days 2026? What better way to do it than a tour of the Maison du Fontainier, a cornerstone in the capital’s water history. Join us this weekend, September 19–20, 2026. [Read more]
Heritage Days 2026 at the Hôtel de Beauvais — Paris Administrative Court of Appeal
For the 2026 Heritage Days, discover the Hôtel de Beauvais, which has housed the Court of Appeal of Paris since 2003. Built in 1654 for Catherine de Beauvais, this listed monument is brimming with trompe-l'œil effects and deceptive symmetry. Mark your calendars for the weekend of September 19–20, 2026 for this extraordinary opening. [Read more]
Heritage Days 2026 at La Roche House – Le Corbusier Foundation in Paris
As the season kicks off, heritage meets curiosity. Among the gems to visit, La Roche House, Le Corbusier’s modernist residence in the 16th arrondissement, opens its doors for the European Heritage Days. On September 19 and 20, 2026, museums, grand town houses, and unusual venues invite free exploration for one unforgettable weekend. A must-see opportunity for architecture enthusiasts! [Read more]
Discover the Niemeyer Space at Heritage Days 2026, a jewel of modern architecture in Paris!
On the occasion of the 2026 Heritage Days, embark on a visit to the emblematic Espace Niemeyer, headquarters of the French Communist Party. Designed by Brazilian architect Oscar Niemeyer, this building, with its bold, distinctly futuristic design, is opening its doors for an exceptional occasion. A must-see for art and architecture enthusiasts. [Read more]
Heritage Days 2026: the program at the Château de Champs-sur-Marne (77)
For the 43rd Heritage Days, the Château de Champs-sur-Marne is unveiling an artistic program to be explored on the weekend of September 19–20, 2026. [Read more]
Heritage Days 2026 at Saint-Sulpice Church in Paris, one of the Left Bank’s treasures
For Heritage Days 2026 in Paris, Saint-Sulpice Church invites visitors to uncover its secrets through special tours on Saturday, September 19 and Sunday, September 20, 2026. [Read more]
Nice visits!
Dates and Opening Time
From September 19, 2026 to September 20, 2026
Prices
Free
