Every autumn France hosts a weekend of heritage days - and this year they take place on 21st and 22nd September. Nationally there are concerts, talks, guided visits and properties exceptionally opened to the public. If you are holidaying here, house hunting or live here it is a rare opportunity to find out a little more about the area you are in. There is an excellent guide to 2019's event is you follow this link: https://www.journees-du-patrimoine.com which lists what is open by department and then commune.
The images shown are the Queen's garden in Montpellier and the facade of Bazas cathedral (in the Gironde) where there is going to be a night time promenade and opportunities to discover more about this beautiful little medieval city.