Jep historic monument guide

Heritage Days 2025 in Dourdan (91): conquering a superb medieval town

For the Journées du Patrimoine (Heritage Days), the fortified town of Dourdan reveals a lovely program to discover on September 20 and 21, 2025, between guided tours and a plunge into the world of the Middle Ages. We share with you the participating sites and the planned events.

Heritage Days 2025 in Houdan (78): the program in the medieval town

In the heart of the Yvelines region, you'll find a pretty medieval town, which still conceals many vestiges of the Middle Ages, including a keep, fortifications and old inns. Come and discover them in Houdan during the Journées du Patrimoine (Heritage Days) on September 20 and 21, 2025! Here's what's in store for you over the weekend.

Journées du Patrimoine 2025 at the Basilique Saint-Denis (93): the program

The Journées du Patrimoine 2025 (Heritage Days 2025) invite you to visit the Basilica-Cathedral of Saint-Denis on the weekend of September 20 and 21, 2025, to discover the necropolis of the kings of France.

Heritage Days 2025: leatherworking demonstration at Château de Blandy-les-Tours (77)

Château de Blandy les Tours comes to life for the Journées du Patrimoine 2025! On September 20 and 21, come and discover this Seine-et-Marne fortified castle, and get ready for a wonderful program of arts and crafts.

Journées du Patrimoine 2025 in Paris: reconstitution of a Napoleonic bivouac at the École Militaire

The Ecole Militaire in Paris is opening its doors to us in an exceptional way on the occasion of the 42nd edition of the Journées du Patrimoine (Heritage Days) this weekend of September 20-21, 2025. This year's program will focus on Napoleon Bonaparte, and will include the reconstruction of a bivouac.

Heritage Days 2025: discover Brie-Comte-Robert and its historic monuments (77)

The Journées du Patrimoine are the perfect opportunity to discover and rediscover Brie-Comte-Robert's cultural treasures. Here's what to do on September 20 and 21, 2025.

Journées du Patrimoine 2025: the program of visits to Saint-Denis (93)

Saint-Denis is surely one of the most captivating towns in Seine-Saint-Denis, with many sites to visit during the Heritage Days on September 20 and 21, 2025.

Heritage Days 2025: the full program at the Domaine départemental de Sceaux (92)

To mark the 42nd Journées du patrimoine, the Domaine départemental de Sceaux is offering free events for the whole family on September 20 and 21, 2025.

Heritage Days 2025: visit the Maison de Chateaubriand - Domaine de la Vallée-aux-Loups (92)

On the occasion of the 42nd Heritage Days, the Domaine départemental de la Vallée aux Loups welcomes you on Saturday September 20 and Sunday September 21, 2025, to discover the Maison de Chateaubriand and its hectares of greenery.

Heritage Days 2025 in Gif-sur-Yvette (91): discover the town's program

The 2025 edition of the European Heritage Days takes place on the weekend of September 20 and 21: so this is your chance to discover heritage treasures near you or at the other end of the region, as here in Gif-sur-Yvette, Essonne. A wide range of visits await you!

Heritage Days 2025 at Château de Villiers - Draveil (91): weekend events

The town of Draveil and its Château de Villiers invite you to join them for the 42nd Journées du Patrimoine, on Saturday 20th and Sunday 21st September 2025, with a programme of visits for young and old!

Heritage Days 2025: nuggets to visit in Sucy-en-Brie (94)

For the Journées du Patrimoine 2025, the town of Sucy-en-Brie is organizing a number of visits and meetings. A chance to discover the town in a different way, on Saturday September 20 and Sunday September 21. We share the program with you.

Heritage Days 2025 at the Château de Saint-Germain-en-Laye - Musée d'Archéologie Nationale (78), program

The Château de Saint-Germain-en-Laye is taking part in the Journées du Patrimoine 2025. The program for Saturday September 20 and Sunday September 21 includes guided tours of the Château and the Musée d'Archéologie Nationale, and more!

Journées du Patrimoine 2025 in Boulogne-Billancourt (92): the program

The Journées du Patrimoine are back in Paris and Île-de-France. In the Hauts-de-Seine region, the town of Boulogne-Billancourt is offering a rich program of visits and events for the weekend of September 20 and 21, 2025.

Heritage Days 2025 at Château de Brie-Comte-Robert (77), the weekend program

The Château de Brie-Comte-Robert opens its doors to you for this 42nd edition of the Journées du Patrimoine. Are you ready to plunge into the heart of history? Here's the program for the weekend of September 20 and 21, 2025.

Heritage Days 2025 in Saint-Rémy-les-Chevreuse (78): the program

In the heart of the Vallée de Chevreuse, a fascinating town invites you to discover its secrets and the illustrious inhabitants who have trodden its soil. For the Journées du Patrimoine 2025, why not take a stroll through Saint-Rémy-les-Chevreuse? Here's what's in store for you!

Heritage Days 2025: discover the château and park at Courson (91)

The Domaine de Courson in Essonne invites you to join us for the 42nd Heritage Days. On the weekend of September 20 and 21, 2025, discover the château and its remarkable garden through a special program of visits.

Heritage Days 2025: the program at Château de Médan (78)

To mark the Journées du Patrimoine (Heritage Days) on September 20 and 21, 2025, why not take a plunge into the Pleiades at the heart of the Château de Médan in the Yvelines, home to poets and other illustrious characters?

Heritage Days 2025 in Sainte-Geneviève des bois (91): the program of visits in the town

In Essonne, the town of Sainte-Geneviève des bois unveils a rich program for the Journées du Patrimoine 2025. Join us on September 20 and 21, 2025 to discover the many treasures of this navigable spot! Here's what's on the program for this cultural weekend!

Heritage Days 2025: discover the history of the Republic at the Château de Versailles (78)

For the Journées du Patrimoine 2025 (Heritage Days 2025), the Château de Versailles is inviting you to discover the grounds through a tour that takes you back in time in the footsteps of the Republic, on September 20 and 21, 2025.