The most visited cave system in the world. Discover the astonishing natural underground formations and visit the unique Predjama castle and learn its many secrets.
Postojna caves are the second largest in the world. This underground world is a creation of nature through millions of years. Its dripstones make this cave system one of the most beautiful ones. An electric train will take you into the cave and then a guide will walk you through the most interesting parts of the cave.
A few kilometres away you will visit one of the most impressive castles in Slovenia, Predjama cave castle, dating back to the middle ages, but keeping its secrets until today. The most famous owner was Erazem Predjamski, still a hero of many local legends.
Depends on location