Caves are one of the most mysterious and thrilling places to visit and they have some sort of hidden beauty that enchants travelers and adventurers willing to explore their deepest secrets. We’ve picked 12 of the most impressive caves on Earth that amaze with their unique formations and reveal how amazing our nature is. If you ever find yourself in the mood for an extreme adventure like exploring the glacier caves of Iceland, make sure you’re well equipped and informed because some caves are harder to reach and require special skills and equipment.

1. Son Doong Cave, Vietnam

2. Vatnajokull Glacier Cave, Iceland

3. Batu Caves, Malaysia

4. Benagil Sea Cave, Algarve, Portugal

5. Glowworms Cave, New Zealand

6. Tham Lod Cave, Thailand



7. Marble Caves, Patagonia

8. Phraya Nakhon Cave, Thailand

9. Reed Flute Cave, China

10. Naica Mine, Mexico

11. Melissani Cave, Greece

12. Puerto Princesa Underground River, Palawan, Philippines


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