Chateau de Grignols in the Dordogne region. (check location on sketchfab map : https://labs.sketchfab.com/experiments/map/ )
It is said to have been built in 1069 ! It's difficult to find out exatly what happened to this chateau in almost 1000 Years.
This is quite typical of many of these ancient sites : it has been modified over the centuries. Follow the guided tour and discover *my* subjective view of this architecture, and all the strange features which make this site awesome !
Once you've finished the guided tour, please walk around at your own pace, you'll certainly find more features.
*(Full screen mode recommended to appreciate all the details)*