Vilenica Cave

Vilenica Cave or Vilenica Cave at Lokev (Jama Vilenica pri Lokvi) is the oldest show cave in Europe. The first tourists to the cave were recorded in 1633. It is located next to the village of Lokev in the municipality of Sežana on the Karst Plateau in southwestern Slovenia.

Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).