Worth a Journey

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The World’s 100 Best Show Caves

Postojna Cave

Postojna, Slovenia

  1. THE WORLD’S BEST SHOW CAVES WORTH A JOURNEY · 2026 ✦ ✦ N° 1 2026

Top 10No. 1 in Europe

Postojna Cave

A large limestone cave system with huge chambers full of stalactites and stalagmites, an underground river, and blind salamanders. An electric train carries groups about 2 km inside, followed by a guided walk of about an hour with audio guides, then the train back out.

Highlights

  • Electric train ride underground
  • Stalactites and stalagmites
  • Blind salamanders in pools

Good to know

  • Tour lasts about 1.5 hours
  • About 10°C inside, bring a jacket
  • Book tickets online in advance

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