Jep exceptional opening guide

Heritage Days 2026 at INA, the National Audiovisual Institute (94): the program

The National Audiovisual Institute (INA) takes part in Heritage Days 2026 and opens the doors to its Bry-sur-Marne headquarters. Find out the program for the 43rd edition, held on September 19 and 20!

Paris Heritage Days 2026: exclusive tours of the Hôtel de Nocé on Place Vendôme

For this 43rd edition of the Journées du Patrimoine in Paris, a renowned jewelry house on Place Vendôme invites you to explore its historic boutique–atelier. Exceptional tours are being organized there for this weekend of September 19–20, 2026.

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.

Heritage Days 2026: visit the École Polytechnique in Palaiseau (91)

The École Polytechnique is also taking part in Heritage Days 2026, offering guided tours on Saturday 19 and Sunday 20 September 2026.

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.

This air-raid shelter on the outskirts of Paris will be open to visitors on an exceptional basis for the 2026 Heritage Days.

The Bois-Colombes air-raid shelter will exceptionally open its doors to the public on the weekend of September 19–20, 2026, for Heritage Days. Here’s more about this World War II witness.

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.

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!

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.

Heritage Days 2026: Cartier Jewelry Institute opens its doors for a rare, one-off visit

On the occasion of this new edition of the European Heritage Days, take a look behind the scenes at the Cartier Jewellery Institute. Housed in a historic townhouse in the heart of Paris, visitors will be invited to an immersive tour of the jeweler’s workshops on 19 and 20 September 2026.

Heritage Days 2026 at Hôtel de Massa, the jewel in the crown of the Society of Men of Letters

Heritage Days are back in Paris. This Saturday, September 19, 2026, the Hôtel de Massa, home to the Society of the Men of Letters, invites us to visit this historic monument.

Heritage Days 2026: the Ministry of the Armed Forces' program — Hôtel de Brienne in Paris

How about visiting the Ministry of the Armed Forces for Heritage Days? As part of the 43rd edition of the event, the Hôtel de Brienne opens its doors for exclusive tours on Saturday, September 19 and Sunday, September 20, 2026. Here’s what to expect.

Journées du Patrimoine 2026 : step inside the Conseil d'État at the Palais-Royal

On the occasion of the European Heritage Days, September 19 and 20, 2026, the Conseil d'État will, exceptionally, open the doors to its headquarters housed in the Palais-Royal in Paris. A rare opportunity to discover this historic institution, its architectural heritage, and the workings behind France's highest administrative court. Reservations open on September 1, 2026.

Heritage Days 2026: an exceptional chance to visit the Constitutional Council at the Palais-Royal

On 19 and 20 September 2026, the European Heritage Days offer an exceptional chance to discover the Constitutional Council, housed in the Palais-Royal in Paris. A rare opportunity to step inside this Republic institution, explore its historic salons, and gain a deeper understanding of its role at the heart of French democracy.

Heritage Days 2026 at the Paris Court of Auditors: weekend program

The Heritage Days are back in a big way: join us for the weekend of September 19–20, 2026, in Paris and the Île-de-France region. It’s a chance to uncover the secrets of the capital’s iconic institutions, including the Cour des Comptes (France’s Court of Audit), which is unveiling an impressive lineup of tours and activities.

Heritage Days 2026: discover the Hôtel de l'Industrie, Paris's temple of innovation

Heritage Days are back in Paris! On Sunday, September 20, 2026, seize this opportunity to explore historic sites that are usually closed to the public, including the Hôtel de l’Industrie.

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.

Heritage Days 2026: discover the Mobilier National's restoration workshops in Paris

For the European Heritage Days, the Gobelins Manufacture is offering an exclusive, behind-the-scenes tour into the heart of its renowned craftsmanship on 19 and 20 September 2026. A chance not to be missed!

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.

Heritage Days 2026 in Paris: the Ministry of Justice opens its doors to the public

On the occasion of Heritage Days, the Ministry of Justice opens the doors of the Hôtel de Bourvallais to us on Saturday, 19 September and Sunday, 20 September 2026. During a rare, self-guided visit, you can discover the office of the Keeper of the Seals.