Overview
- France’s 42nd Journées européennes du patrimoine run 20–21 September with the official focus on architectural heritage and a broad mix of free or timed access.
- For the first time, visitors can enter the interior of the Château de La Brède without a guided tour, with new exhibitions on Montesquieu’s travels and Jacqueline de Chabannes.
- Marseille unveils the new Sainte-Marguerite Dromel tram maintenance and storage centre exclusively for the weekend, featuring history exhibits and RTM-led visits by registration.
- Grotte Cosquer in Marseille operates continuously with ticket‑included animations and conferences on the cave reconstruction by Ivan Di Pol and Laurent Delbos.
- Local programmes span municipal openings and activities across Provence and the South‑West, including medieval reenactments at Bonaguil and the Miramas Espace Lumières inauguration, with some visits requiring reservation.