The Škocjan Caves
World heritage site The Škocjan Caves is a natural phenomenon of global significance, ranking side by side with the Grand Canyon, the Galapagos Islands, Mount Everest, and others.
Ranking among the most important caves in the world, Škocjan Caves represent the most significant underground phenomena in Karst region and Slovenia. Škocjan Caves were also entered on the List of Ramsar wetlands of international importance on 18 May 1999. Together with the underground stream of the Reka River, they represent the longest karst underground wetlands in Europe.
The exceptional volume of the underground canyon places The Škocjan Caves among the most famous underground features in the world.