11. Blood Falls, Antarctica

It’s as if blood is gushing out the reservoir of lake covered in snow, but Blood Falls is a rare natural wonder caused by a lake’s substance rich in iron.

12. Crooked Forest, Poland

A total of 400 mysteriously bent pine trees are located in a small grove in Poland called the Crooked Forest.

13. Hodge Close Quarry, UK

Many skilled divers and mountaineers who braved the Hodge Close Quarry mysteriously died under this 150-foot deep excavation filled with murky water.

14. Sedlec Ossuary, Czech Republic

Over 60,000 remains were used as decoration at Sedlec Ossuary or “Skull Church” in the Czech Republic including a chandelier and a family crest made of human bones.

15. Caves of Phang Nga, Thailand

This cave is not for the weak and the claustrophobic. Visit the cave and discover limestone islets and hundreds of bats inhabiting the pitch-dark Caves of Phang Nga.

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