Trails Inside the Postojna Cave Park. it is the Second-longest Cave System in the Country. One of Its Top Tourism Sites. the Caves Editorial Photo - Image of system, slovenia: 215970361
Postojna Cave in Slovenia: Train Ride into a Fantastic Dragon Lair
Underground Tourist Train in Postojna Cave, Slovenia. it is the Second-longest Cave System in the Country. Editorial Image - Image of speleology, wall: 219454230
Postojna Cave Park
Postojna Cave and Predjama Castle » Visit Ljubljana