Overview
Geological open-air museum with glacial potholes from the Ice Age, discovered in 1872. Includes a 19th-century mirror maze and observation tower.
Highlights
- Glacial Potholes: 32 potholes up to 9m deep, with 20-million-year-old fossilized seashells.
- Mirror Maze: Alhambra-inspired hall of mirrors from 1896.
- Observation Tower: 360-degree views.
History
Discovered in 1872 by Josef Wilhelm Amrein-Troller while excavating his wine cellar. Opened to the public the same year.
Visitor Tips
- Tip 1: The mirror maze is fun for all ages — don't skip it.
- Tip 2: One minute from the Lion Monument.
- Duration: 1–1.5 hours.