The Journées du Patrimoine are back! Mark the date in your diary: on September 20 and 21, 2025, Paris and the Île-de-France region will be transformed into a veritable Ali Baba's cave for lovers of culture and regional curiosities. Thousands of museums, monuments, places of power and worship, workshops, department stores, theaters and gardens open their doors to the general public.
These special tours allow us to rediscover and better appreciate the heritage treasures that are all around us, sometimes without us even knowing it! The Heritage Days also open the doors to places that are usually closed to the public, such as ministries, backstage at railway stations or cabarets... Or the archives of the French National Secretariat for Defense and National Security!
The Service Historique de la Défense is a site linked to the French Ministry of the Armed Forces, inviting the curious to unveil a few secrets linked to French history, through unprecedented tours. An opportunity not to be missed.
Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.
Fascinated byhistory or the military? Discover our special selections for this cultural weekend in Paris and the Ile-de-France region.
Heritage Days 2026 in Paris and Île-de-France: what’s on at museums and military institutions
On land, at sea, in the air: the army is everywhere... and even in museums! For this year’s Heritage Days edition, this weekend of September 19–20, 2026, explore the military institutions of Paris and Île-de-France. [Read more]
Heritage Days 2026: Historic monuments to visit in Paris and Île-de-France
The historic monuments of Paris and the Île-de-France region open their doors for the 43rd European Heritage Days. On 19 and 20 September 2026, come discover these history-steeped treasures through a lineup of family-friendly programs. [Read more]
Dates and Opening Time
From September 20, 2025 to September 21, 2025
Location
Service historique de la Défense
Avenue de Paris
94300 Vincennes
Route planner
Accessibility info
Access
Metro line 1 "Château de Vincennes" station
Prices
Free
Official website
www.servicehistorique.sga.defense.gouv.fr