The Skocjan Caves, located in western Slovenia, are a Karstic caves. The name Karst comes from the name of the region, in which the caves are located. Created by the river Reka, which runs for some 30 km until it disappears under the ground. The Skocjan Caves are famous for their diverse stalactite and stalagmite formations among which the limestone pools stand out. It is one of only three locations in Slovenia to be recognised as a world heritage site by UNESCO.
credit: TravelingOtter