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Heritage Days 2025 in Romainville (93): exceptional visits on the program

The Journées du Patrimoine (Heritage Days) are an opportunity to discover the little-known nuggets of Romainville, a town in Seine-Saint-Denis, on September 20 and 21, 2025. Immerse yourself in its rich past, from the church of Saint-Germain-l'Auxerrois to the old pulp mill, escape the hustle and bustle of Paris and explore Romainville's culture and nature.

Heritage Days 2025: the European Space Agency headquarters in Paris opens its doors

Get ready for a weekend of exploration with the return of the Journées du Patrimoine, from September 20 to 21, 2025. Museums, private mansions and unusual places open their doors free of charge for a two-day orbit around historic treasures. This year, set your sights on the stars: the headquarters of the European Space Agency (ESA) opens its doors to the public for the first time!

Journées du Patrimoine 2025: concert and exhibition at the Maison du Portugal in Paris

Saturday September 20 and Sunday September 21, 2025 mark the return of the Journées du Patrimoine for their 2025 edition. In the 14th arrondissement, join us at the Maison du Portugal for the occasion!

Journées du Patrimoine 2025: pedal along the Seine à Vélo cultural route

For the Journées du Patrimoine 2025, enjoy the culture of the Paris region by bike, along the Seine à Vélo cycle route, which links Paris to the sea. On the program, discover the surrounding area as if in an open-air art gallery.

Heritage Days 2025: the Fondation Coubertin unveils its treasures in Yvelines (78)

At Saint-Rémy-lès-Chevreuse in the Yvelines, the Fondation de Coubertin is taking part in the Journées du Patrimoine 2025 on Saturday September 20 and Sunday September 21. This exceptional 30-hectare estate unveils its bronze garden and a tribute trail.

Journées du Patrimoine 2025: discover the Bulgarian Embassy in Paris

On Saturday September 20 and Sunday September 21, 2025, the Journées du Patrimoine (Heritage Days) offer you the chance to discover places usually closed to the public during exceptional openings: in the 7th arrondissement of Paris, discover the Bulgarian Embassy.

Heritage Days 2025 at the Italian Embassy in France: program

On Saturday, September 20, 2025, the Journées du Patrimoine will be taking place at the Italian Embassy in Paris to reveal all its secrets. Discover the program.

Journées du Patrimoine 2025 in Houilles (78): the program of weekend visits

The Journées du Patrimoine (Heritage Days) take place on the weekend of September 20 and 21, 2025! And if you want to get off the beaten track, head for Houilles, in the Yvelines department, to delve into the town's history. From Saint-Nicolas Church to the charm of the old stone quarries, discover the heritage treasures of this Yvelines town!

Heritage Days 2025 in Guyancourt (78): the program in the town

Dive into Guyancourt's fascinating history at the Journées du Patrimoine! Hidden treasures, captivating stories and an exceptional heritage await you in the heart of the Yvelines on September 20 and 21, 2025.

Journées du Patrimoine 2025 in Colombes (92): Discover the program

The Journées du Patrimoine (Heritage Days) take place on the weekend of September 20 and 21, 2025 in Paris and Île-de-France. This is your chance to discover the rich program of visits and events awaiting us in Colombes, Hauts-de-Seine (92). So, what's in store for you?

Heritage Days 2025: exceptional opening of the Hôtel de Rothelin-Charolais

During the Journées du Patrimoine 2025, many secret locations will be open to the public, including the Hôtel de Rothelin-Charolais, which opens its doors on September 20 and 21.

Heritage Days 2025: discover the History of Chevreuse through its monuments (78)

Take advantage of the Journées du Patrimoine 2025 to discover the pretty town of Chevreuse, in the Yvelines department. Join us on September 20 and 21, 2025 to visit the town's finest monuments.

Journées du Patrimoine 2025: the beauty of Paris Opera costumes at the Ateliers Berthier

The Journées du Patrimoine 2025 (Heritage Days 2025) will unveil a behind-the-scenes look at the creation of Paris Opera sets at the Ateliers Berthier on Saturday, September 20. The highlight of the show? An incomparably rich collection of costumes.

Heritage Days 2025 in Osny (95), visit program

For the Journées du Patrimoine 2025, discover Osny, a historic jewel in the Val-d'Oise, on the weekend of September 20-21. Between centuries-old monuments and cultural events, let yourself be charmed by this town full of surprises!

Journées du Patrimoine 2025: a behind-the-scenes look at the Opéra Bastille in Paris

The Opéra Bastille in Paris is once again taking part in the Journées du Patrimoine. On Saturday September 20 and Sunday September 21, 2025, come and discover the backstage areas of the Opéra Bastille during exceptional tours (available upon registration).

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 at the Maison de l'Europe, Paris

As for every third weekend in September, come and discover the Journées du patrimoine in Paris, with numerous events and exclusive guided tours, notably at the Maison de l'Europe, this Saturday, September 20, 2025.

Heritage Days 2025 in Marly-le-Roi (78), the program in the town

Dive into the heart of Marly-le-Roi during the Heritage Days on September 20 and 21, 2025! Discover the hidden treasures of this historic Yvelines town, once a favorite of Louis XIV, through a full program of visits.

Heritage Days 2025 in Mantes-la-Jolie (78), the program in the city

Embark on a historic adventure in Mantes-la-Jolie during the Journées du Patrimoine! On September 20 and 21, 2025, explore the rich heritage of this Yvelines commune.

Journées du Patrimoine 2025: free tour of the Ministry of the Armed Forces - Hôtel de Brienne, the program

How about visiting the Ministry of the Armed Forces for the Journées du Patrimoine? As part of the 42nd edition of the event, the Hôtel de Brienne is opening its doors to you for exceptional tours on Saturday September 20 and Sunday September 21, 2025. Here's what's in store!