Postojna Cave - the greatest tourist attraction in Slovenia
The greatest tourist attraction in Slovenia is Postojna Cave. This is one of the world's largest karst monuments. The cave, formed by the Pivka River, is a network of 20 kilometres of passages, galleries and chambers into which experienced guides have accompanied more than 35 million visitors in the last 188 years. From 300 metres of accessible routes in 1818, a visitor today can enjoy ...