In the conglomerate rock under the old town, 1300 m long tunnels were built during World War II. Visitors are able visit some of them on their own and others with a professional guide.
During the tour, they can learn about the mysterious world of natural caves, where stalactites are forming and where cave animals live, they can experience a simulation of an air raid and learn something about recent history.
More information:
Tours: daily 9am – 6pm
Duration: 1 hour
Price:
6€/person
4€/person (children up to 16 years, seniors over 65 years)
Children up to 3 years of age are admitted free of charge.
CAUTION: Warm clothing and shoes are required to visit the cold underground environment (10–12 °C).