Fort de Chillon

The Fort de Chillon is an underground fortress located near the famous Chillon Castle on Lake Geneva in Switzerland. It was built during World War II and served as a secret defense post to secure the strategically important transport routes in the region. You can visit the fort today as part of guided tours. It is impressive how skillfully the fortress has been integrated into the rock. In the accompanying museum, you can experience the defense facilities, corridors, rooms, and towers up close through immersive installations.