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Heritage Days 2026: a tour and concert at Rosa Bonheur’s Château

The Rosa Bonheur Castle in Thomery is taking part in the latest edition of Heritage Days. Discover the schedule planned for 19 and 20 September 2026.

Heritage Days 2026 at Villeconin's medieval castle (91): the program!

The Château de Villeconin, located in Essonne, invites us to make the most of Heritage Days by highlighting its treasures through a weekend program of tours on 19 and 20 September 2026.

Heritage Days 2026 at the Domaine du Palais-Royal in Paris, visit the Ministry of Culture.

The Palais-Royal opens its doors for Heritage Days on September 19 and 20, 2026, offering a special program for the occasion. This year, we’re set to explore this jewel of Paris’s 1st arrondissement to discover the Ministry of Culture.

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.

Heritage Days 2026 at Domaine de la Reine Margot (92): the program

Heritage Days are also happening in Hauts-de-Seine. In Issy-les-Moulineaux, the Domaine de la Reine Margot unveils a special weekend program for September 19–20, 2026.

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.

The Château de Vaux-le-Vicomte opens its doors for Heritage Days 2026.

Take advantage of this new edition of Heritage Days to visit the Château de Vaux-le-Vicomte. On 19 and 20 September 2026, the monument will present a very special program...

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.

Heritage Days 2026 at the Château de Fontainebleau (77): a lively weekend at the château

The Château de Fontainebleau will take part in the 2026 Heritage Days, on September 19–20. Here’s the program for this magnificent château in Seine-et-Marne.

Heritage Days 2026 at Château d'Arnouville (95): the program

Heritage Days are back for their 43rd edition this weekend, September 19–20. In Val d'Oise, the Château d'Arnouville invites you to dive into its history. Discover this unfinished monument that rises at the heart of the department 95.

Heritage Days 2026: guided tours of the dungeons at the Château de Nemours (77)

For the Heritage Days, the Nemours château-museum invites curious visitors to discover its tours and activities on September 19 and 20, 2026. On the program are exclusive tours of the basement levels of the Château de Nemours.

Heritage Days 2026: guided tour and vintage cars at Château de Maisons-Laffitte (78)

On the occasion of the 2026 Heritage Days, come and discover the magnificent Château de Maisons-Laffitte, built for King Louis XIV, on Saturday, 19 and Sunday, 20 September 2026, in Yvelines. A wonderful opportunity to explore this gem of Île-de-France heritage!

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: What's on in Saint-Rémy-les-Chevreuse in Yvelines

In the heart of the Chevreuse Valley, an exciting town invites you to uncover its secrets and the illustrious figures who have walked its streets. For Heritage Days 2026, what if we explored Saint-Rémy-les-Chevreuse?

Heritage Days 2026: explore Chevreuse through its finest monuments (78)

Take part in the 2026 Heritage Days to discover the charming town of Chevreuse in the Yvelines. Meet us on September 19 and 20 to explore the city’s finest monuments!

Heritage Days 2026 in Beynes (78): castle tour and historical reenactment

In the heart of the Yvelines, a small town hides a handful of medieval gems you won’t want to miss during the 2026 Heritage Days. Here’s the Beynes visit program, spanning the castle, the church, and the moats that hold some surprises!

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: Visit the Louvre Museum and Its Art Workshops 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 craftsmanship. It’s also an opportunity to discover the architecture of the famous Parisian museum!

This castle in Essonne will open its doors exceptionally for the 2026 Heritage Days!

On the weekend of September 19 and 20, 2026, Heritage Days will give the public a chance to discover places that are often closed to visitors for the rest of the year. In Forges-les-Bains, the château's special opening will offer an opportunity to revisit the history of this residence that has accompanied the town’s life for centuries.

Heritage Days 2026 at Montceaux's Royal Castle (77): visit the Castle of the Three Queens.

What if we set off to uncover the ruins of Montceaux’s Royal Castle? This historic site in Seine-et-Marne is inviting visitors for Heritage Days this weekend, September 19–20, 2026.