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From Koper: 5-Hour Tour to Postojna Cave & Predjama Castle1 Reviews
Discover the underground chambers in the largest cave system in Slovenia on a guided tour and ride on the electric train. Stop at the unique Predjama Castle for a striking photo-op.
- Explore Postojna Cave and discover a breathtaking underground world
- Marvel at the unique Predjama Castle and get some stunning pictures
- See baby dragons, the cave's olms, an endangered species, which can be found only in few places