The Škocjan Caves (Škocjanske jame) continue to be the only monolith in Slovenia and the Classical Karst region on UNESCO’s list of natural and cultural world heritage sites. Therefore, they hold a significant position amongst the world’s natural monoliths. In addition to our caverns, just those in the border location in between Hungary and Slovakia (Aggtelek Karst and Slovak Karst), Mammoth Caves and Carlsbad Caverns in the UNITED STATE have received the same honor. Various other caverns have been gotten in as cultural monoliths (for example Altamira in Spain and the ancient websites and cave paintings of the V?zere Valley
In the direction towards hinterlands, we easily pass the slope of Črni Kal or Kozina by the new highway, and we arrive to Razdrto, where we turn left, if we want to go to the valley Vipavska dolina. For now, we can access it only by the old road, full of bumps, under the hill Nanos. The center of Vipavska valley is Vipava, the birthplace of a diplomat and historian Žiga Herberstein and protestant writer Sebastijan Krelj.