It is said that the caves were used in WW II as a shelter from the war. Humans have used the caves as far back as 3000 years. Various formation of caves. The stalactites and stalagmites, there is an active bat colony inside. The park has done a great job in making the cave tourist friendly with many handrails and excellent walking surfaces. You have to duck down to get through some of the pathways, so if you suffer from claustrophobia, you may want to think about this.The tour is in Italian, but a written English description of each room is available.