Movie locations

Houmas House

Historic estate located near New Orleans in Darrow, Louisiana
Movies: Hush, Hush, Sweet Charlotte (1964) 
https://houmashouse.com/

The Château de Hautefort

French château and gardens located in the town of Hautefort in the Dordogne.

Movies: Eye of the Devil (1966), Moon of the Wolf (1972)
https://www.chateau-hautefort.com/en/
https://en.wikipedia.org/wiki/Ch%C3%A2teau_de_Hautefort