Visit Predjama Castle. A stunning example of the interaction of humans with the natural landscape, the magnificent Predjama Castle has been perched half-way up a vertical 123-metre high cliff for more than 700 years.
Guided Tour of Postojna Cave. Cross the border into Slovenia for a tour of the largest example of Karst topography in Europe! This unforgettable tour begins with a ride on an underground train past fantastic limestone sculptures, followed by a walking tour deep inside the mountain.
Visit the EXPO Cave Karst. This fascinating exhibition explores the formation of karst topography, and the development of Postojna Cave as a tourist attraction.