Sitten, CH
The Tourbillon castle (Château de Tourbillon) is a castle in Sion in the canton of Valais in Switzerland. It is situated on a hill and faces the Basilique de Valère, located on the opposite hill. The castle is currently in a state of ruins following a fire in 1788
Listen to the audio guide for Ruinen des Schlosses Tourbillon Free on WIP — starts by itself when you arrive, even with the screen off