Postojna Cave and Predjama Castle in Slovenia

Postojna Cave It is a fantastic web of tunnels, passages, galleries which has already reached 37 million in 200 years. The underground beauty can be admired by a special train During an hour and a half long guided tour, you learn about all of the most important karst features, you see the largest, 5-metre-high stalagmite … Continue reading Postojna Cave and Predjama Castle in Slovenia