Pottenstein, Italy
The Devil's Cave (German: Teufelshöhle) is a dripstone cave located in the town of Pottenstein, Bavaria, Germany. The cave is 1,500 metres (4,900 ft), the largest in Franconian Switzerland.
Listen to the audio guide for Teufelshöhle bei Pottenstein Free on WIP — starts by itself when you arrive, even with the screen off