Jep institution guide

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.

The Seine-Saint-Denis prefecture opens its doors for Heritage Days 2026: the program

For Heritage Days 2026, an exceptional tour awaits you at the heart of the Seine-Saint-Denis prefecture as it marks its 55th anniversary. Here is the agenda for this eagerly awaited special edition scheduled for the weekend of September 19 and 20, 2026.

Heritage Days 2026: discover the Bulgarian Embassy in Paris

On Saturday, September 19 and Sunday, September 20, 2026, Heritage Days invites you to discover places usually closed to the public, with exceptional openings: in Paris’s 7th arrondissement, visit the Embassy of Bulgaria.

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!

Heritage Days 2026 in Bois-Colombes (92): a quest for Hauts-de-Seine heritage

The City of Bois-Colombes invites you to this coming weekend, September 19–20, 2026, for a rich program of guided tours and activities to mark the Heritage Days. How about we set out to rediscover the treasures of this Hauts-de-Seine town (92)?

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!

Heritage Days 2026: Self-guided tour of Chaptal High School in Paris

A fresh, 43rd edition of Heritage Days on Saturday, September 19 and Sunday, September 20, 2026! And why not take the opportunity to step through the doors of Chaptal High School, tucked in the 8th arrondissement of Paris?

The program at the National Institute for Blind Youth for Heritage Days 2026

The Heritage Days are taking place on the weekend of September 19–20, 2026, in Paris’s 7th arrondissement, where the Institut National des Jeunes Aveugles unveils a special program.

European Heritage Days 2026 in Paris: what's on at the Pasteur Institute

On the occasion of Heritage Days, the Institut Pasteur in Paris will exceptionally open its doors on 19 and 20 September 2026. Discover the program for this edition! Please note, registration is mandatory.

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.

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

What if we paid a visit to 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 exceptional tours on Saturday, September 19 and Sunday, September 20, 2026.

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.

Visit and tastings of Lithuanian products at the Lithuanian Embassy for Heritage Days 2026

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 opportunity to discover one of Paris's finest private mansions through an artistic program!

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.

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.

Heritage Days 2026 at the Court of Auditors in Paris: tours and activities for everyone

It's the big return of Heritage Days this weekend, September 19–20, 2026, in Paris and Île-de-France. An opportunity to discover the secrets of the capital's great institutions, including the Court of Auditors, which unveils a wonderful lineup of tours and activities, with no reservations required.

Heritage Days 2026: The Romanian Embassy opens its doors for a visit

The Hôtel de Béhague, home to the Romanian Embassy in Paris, will open its doors to curious visitors on Saturday, September 19, 2026, to mark the new edition of Heritage Days.

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.