In Pontoise, the crypt of the English Benedictine Convent will unusually open its doors on September 19 and 20, 2026. Discover this little-known landmark of Val-d'Oise heritage and its history.
Discover a renowned French grande école that sits at the heart of culture, and a strikingly unconventional building, by visiting the National Institute of Heritage in Aubervilliers. An open house is being held on Saturday, September 19, 2026, for Heritage Days.
Good news for flower and nature lovers: the Roseraie de L'Haÿ-les-Roses will open its gates free of charge on September 19 and 20, 2026, for the Heritage Days.
Stroll, church, art centre, theatre, observatory... Ivry-sur-Seine has no shortage of sights. Take part in Heritage Days on September 19–20, 2026, to discover this Val-de-Marne commune.
For the 2026 Heritage Days, the town of Sucy-en-Brie is offering a wide array of tours and meetings. It’s a chance to discover the town from a new perspective, on Saturday, September 19 and Sunday, September 20.
In Essonne, the town of Sainte-Geneviève-des-Bois unveils a rich lineup for Heritage Days 2026. Mark your calendars for September 19–20, 2026, to discover the many treasures of this site, easily accessible with a Navigo pass!
The Île-de-France Prehistory Museum in Nemours opens its doors to archaeology enthusiasts for Heritage Days this Sunday, September 20, 2026, with a special lineup of events.
Every year, Heritage Days invites you to a rich program full of great cultural highlights! Discover the tours and activities awaiting you in Melun, in Seine-et-Marne, for this exceptional weekend of September 19–20, 2026.
On the occasion of Heritage Days 2026, September 19 and 20, you can, exceptionally, explore the sumptuous state rooms of the Singer-Polignac Foundation, normally closed to visitors.
The 43rd edition of Heritage Days opens the doors to the Palais Galliera for a special weekend visit on September 19–20, 2026. A formative journey through the history of fashion and the creativity of the greatest designers who have shaped style over the years. Note: paid program.
Parés au décollage ? Paris Orly Airport reveals its lineup for Heritage Days 2026 across Paris and the Île-de-France region. Here’s what you can expect this weekend of September 19 and 20, 2026.
The Château de Mesnil-Voysin, situated in Bouray-sur-Juine, awaits you this weekend, September 19–20, 2026, for Heritage Days. Discover this special program.
Are you familiar with the Rosny-sous-Bois Train Museum? For Heritage Days, the Rosny Rail Museum will open its doors free of charge on Saturday, September 19 and Sunday, September 20, 2026, inviting you on a journey to the heart of railway history!
The Banque de France in Vincennes will open its doors on an exceptional date, 19 September 2026, for the Heritage Days. It’s an opportunity to discover its history and its missions.
On the occasion of the 43rd European Heritage Days, the National Veterinary School of Maisons-Alfort and its museum invite you to join free guided tours on 19 and 20 September 2026. A perfect opportunity to discover the history of this unusual site. Warning: not for the faint of heart.
On 19 and 20 September 2026, discover the story of French maritime history for free at the Naval Museum of Sarcelles, with guided tours and activities for everyone.
Beaumont-sur-Oise Castle opens up for Heritage Days 2026. A relic of the Middle Ages, the castle’s keep dominates the banks of the Oise and offers a splendid view of Saint-Laurent Church, to be discovered on September 19 and 20.
The Château d'Auvers-sur-Oise invites you to the weekend of September 19–20, 2026, for the 43rd edition of Heritage Days. Discover the program waiting for you this year.
For their 43rd edition, the European Heritage Days invite you to September 19 and 20: a chance to visit numerous sites that open to the public for this one-and-only weekend of the year, such as Jacques Decour High School in Paris’s 9th arrondissement.
