Do you loveurbex, and the mysterious places that urban explorers bring to light? As part of the Journées du Patrimoine (Heritage Days), we're offering you the chance to live this experience to the full, by discovering disused spots, ruins and buildings usually off-limits to the public, whose secrets arouse our curiosity. You'll be able to explore the underbelly of the region without risk, and even set out to conquer those places that are the source of unanswered questions, and which you may regularly pass by without ever being able to enter.
The Journées du Patrimoine (Heritage Days) are an opportunity for enthusiasts and the curious alike to take advantage of a wide range of cultural opportunities. Paris and the surrounding region will not miss this opportunity to showcase its finest treasures through a vast program of free visits, unique experiences andexceptional openings.
For a weekend, the general public is invited to explore museums, monuments, castles, embassies, ministries, libraries, fashion houses, and much more to discover, through the programs, their histories and behind-the-scenes. Guided tours, special animations, workshops for young and old, imagination abounds to bring a weekend brimming with discovery to life. The next, 43rd edition awaits you this weekend of September 19-20, 2026.
Heritage Days 2026: Explore the King’s Cellars with a subterranean tour in Sèvres
At Sèvres, history is hidden even beneath the city's streets... During Heritage Days on September 19 and 20, 2026, explore the king’sCellars. Registration will open soon. [Read more]
Dates and Opening Time
From September 19, 2026 to September 20, 2026
