Jep monument guide

Heritage Days 2025 in Val-de-Marne: exceptional visit to the Saint-Maurice hospitals (94)

This year, the Journées du Patrimoine are back for their 42nd edition. An opportunity to discover the fascinating sites of the Val-de-Marne, including the Hôpitaux de Saint-Maurice, this weekend from September 19 to 21, 2025. Click here for the program of this exceptional visit.

Heritage Days 2025: discover the program at Château de Rosa Bonheur (77)

The Château de Rosa Bonheur in Thomery is taking part in the latest edition of the Journées du Patrimoine. An opportunity to immerse yourself in the world of the famous animal painter. Discover the program for September 20 and 21, 2025.

Journées du Patrimoine 2025 in Paris: architectural tours at the Domaine du Palais-Royal

The Palais-Royal opens its doors to us for the Journées du Patrimoine, on September 20 and 21, 2025, and offers a special program for the occasion. This year, we're getting ready to explore this treasure of Paris's 1st arrondissement from an architectural perspective! Here's what you need to know.

Heritage Days 2025: exceptional visit and beekeeping at Château de la Celle-Saint-Cloud (78)

On September 20 and 21, 2025, discover the magnificent gardens of the Château de la Celle-Saint-Cloud, in the Yvelines region, an estate belonging to the French Ministry of Foreign Affairs and host to heads of state! This year, we'll be exploring the estate and meeting beekeepers through an exhibition in the Orangerie.

Heritage Days 2025 at the Annonciation troglodyte church (95), the program

On September 20 and 21, 2025, the Journées Européennes du Patrimoine (European Heritage Days) will be opening the doors to the unsuspected treasures of Paris and the Île-de-France region. In Val-d'Oise (95), head for Haute-Isle for a mineral immersion in the region's only troglodyte church, carved right into the cliff.

Journées du Patrimoine 2025 at Sacré-Coeur in Paris: discover the organ building site

Perched high on the Butte Montmartre, the Basilique du Sacré-Coeur is one of Paris's most emblematic monuments. And just in time for the Journées du Patrimoine, this unusual church reveals its secrets with a special program on the weekend of September 20 and 21, 2025. This year, we're off to discover the organ building site as the monument is given a new lease of life.

Journées du Patrimoine 2025 at the Maison La Roche - Fondation Le Corusier in Paris, the program

Back to school, put away the flip-flops, get out the sneakers... and explore the capital's hidden treasures! Head for the European Heritage Days on September 20 and 21, 2025, when museums, castles and unusual spots open their doors wide. In Paris, don't miss the Maison La Roche, a modernist masterpiece by Le Corbusier, to be (re)discovered in the chic 16th arrondissement.

Heritage Days 2025 at the Château royal de Montceaux (77): discover the Château des Trois Reines

How about exploring the remains of the Château Royal de Montceaux? This historic site in Seine-et-Marne is opening its doors to us for the Journées du Patrimoine (Heritage Days) on the weekend of September 20 and 21, 2025.

Heritage Days 2025 at the Pavillon Royal de la Muette in Saint-Germain-en-Laye (78)

September marks the return of the Journées du Patrimoine! The Yvelines will be celebrating with a number of unexpected visits, including the exceptional opening of the Pavillon Royal de la Muette in Saint-Germain-en-Laye, on Saturday September 20, 2025, by reservation only.

Heritage Days 2025 at the Hôtel Gouthière - Conservatoire Hector Berlioz in Paris, the program

The Journées Européennes du Patrimoine 2025, on September 20 and 21, opens the most unexpected doors in Paris! Head for the Hôtel Gouthière, a little-known 18th-century edifice designed by the royal chaser-gilder Pierre Gouthière. Tucked away in the heart of the 2nd arrondissement, this historic pavilion now houses the Hector Berlioz Conservatoire... and it's just waiting for you to reveal its secrets!

Journées du Patrimoine 2025 in Paris: free tours of the Bourse de Commerce - Collection Pinault

The Journées du Patrimoine return to Paris on the weekend of September 20 and 21, 2025. On the program: free visits to the Bourse de Commerce to discover the Pinault collection and the fabulous architecture of this Parisian landmark.

Heritage Days 2025 at the Dacha - Ivan Turgenev Museum, the program

The Journées Européennes du Patrimoine 2025 is your ticket to the past, on September 20 and 21. Head for the Yvelines, for a bucolic getaway at La Datcha - musée Ivan Tourguéniev, a charming Swiss-Russian chalet tucked away in the heart of the Bougival woods. An opportunity to follow in the writer's footsteps, between nature, culture and old-fashioned charm.

Heritage Days 2025 at the Tour Trajane (91): discover Méréville's ancient column

Did you know that a Roman monument overlooks Essonne? Take advantage of the Heritage Days on September 20 and 21, 2025 to discover the Tour Trajane, a curiosity in the town of Méréville! Here's everything you need to know for this year's event!

Heritage Days 2025 at the Maison Ferrari (92): discover the program in Clamart

Head for the Hauts-de-Seine for the Journées du Patrimoine 2025, and the Maison Ferrari in Clamart, built by the Duchess of Galliera, which today houses a retirement home in a sublime setting. This weekend, September 20 and 21, 2025, is a unique opportunity to discover this nugget of Hauts de Seine heritage.

Journées du Patrimoine 2025 at the Hôtel de Noailles, Saint-Germain-en-Laye (78): the program

Ready to unearth a hidden treasure? On September 20 and 21, 2025, the European Heritage Days are inviting you to open the doors of a little-known gem: the Hôtel de Noailles in Saint-Germain-en-Laye (Yvelines-78). An opportunity to explore history, art and architecture off the beaten track!

Journées du Patrimoine 2025: free exhibition at the Maison Saint-Sulpice in Paris

On the occasion of the 42nd Journées du Patrimoine, the Maison Saint-Sulpice in Paris opens its doors for an exceptional visit on Saturday, September 20, 2025. Immerse yourself in the history of this former 17th-century seminary, explore its peaceful gardens and discover its central role in the religious and cultural life of Paris!

Heritage Days 2025 at the Maison des Italiens in Versailles, the program

On September 20 and 21, 2025, the Journées Européennes du Patrimoine (European Heritage Days) invite visitors to unveil unusual and emblematic sites all over France. This year, we're heading for the Yvelines to explore the Maison des Italiens in Versailles, an elegant private mansion listed as a Monument Historique and just waiting to reveal its secrets.

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 at Château d'Arnouville (95): concert-apéro and guided tour on the program

The 42nd edition of the Journées du Patrimoine (Heritage Days) will be held this weekend, September 21 and 22. In the Val d'Oise, the Château d'Arnouville invites us to immerse ourselves in its history. Discover this unfinished monument in the heart of the 95 département with a program combining concert-apéro and guided tours.

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?