Every autumn, Île-de-France reveals its best-kept historical secrets. For Heritage Days 2026, head to Val-d'Oise to swing open the gates of Montgeroult Castle, an architectural treasure that is exceptionally opening its doors to the public.
On the occasion of Heritage Days 2026 in Paris, the Paris-based territorial delegation of the Red Cross is opening its doors to you for an exclusive tour into the heart of humanitarian history.
The Château de Villeconin, in Essonne, invites you to celebrate Heritage Days by showcasing its treasures through a weekend of guided tours scheduled for September 19–20, 2026.
On the occasion of Heritage Days 2026, journey to Milly-la-Forêt in Essonne to discover the Saint-Blaise des Simples chapel, decorated by Jean Cocteau. A poetic and unconventional getaway in Île-de-France!
For the first time, Paris' Accor Arena is opening its doors to curious visitors during Heritage Days 2026. Take part in guided tours to discover the concert hall.
Heritage Days are back in Paris and Île-de-France on the weekend of September 19 and 20, 2026. A chance to set off to explore the town of Fresnes in Val-de-Marne, where a variety of tours and activities await you!
This year’s edition of Heritage Days invites you to immerse yourself in the heart of Auvers-sur-Oise, Van Gogh’s beloved village. Discover its rich artistic and historical heritage and let yourself be captivated by its hidden wonders on September 19 and 20, 2026.
Heritage Days are back in Paris and the Île-de-France region this weekend of September 19 and 20, 2026. It’s a prime chance for art lovers to head straight for the renowned Musée d’Orsay.
The Museum of Man will take part in Heritage Days 2026, this coming Saturday 19 and Sunday 20 September, and will open its doors free of charge to Parisians to tell them more about our ancestors and our world.
