Predjama Medieval Cave Castle
Predjama Castle, the largest cave castle in the world, has stood half-way up a cliff for over 800 years in Slovenia. Truly a medieval structure, it tells the story of a legendary knight Erasmus of Lueg.
Spectacular Postojna Caves
This subterranean world of the Postojna Caves (Postojnska Jama) in Slovenia has amazed visitors for over 200 years with its jaw-dropping chambers and passageways.