
Great Blue Hole, Belize. (Image Source: CharterWorld)

Great Barrier Reef, Australia. (Image Source: Global Connection)

Giant’s Causeway, Northern Ireland. (Image Source: Profissão Viajante)

Black Falls, Iceland. (Image Source: Vacation Homes)

Spotted Lake, Canada. (Image Source: Daily Mail)

Sand Dunes, Brazil. (Image Source: National Geographic)

Danakil Depression, Ethiopia. (Image Source: Colin’s Notes)

Lake Natron, Tanzania. (Image Source: Anu Sri)

Darvaza Gas Crater, Turkmenistan. (Image Source: TheFabWeb)

Hang Son Doong Cave, Vietnam. (Image Source: National Geographic)

Sea of Stars, Maldives. (Image Source: National Geographic)

Antelope Canyon, United States. (Image Source: Art of HDR)

Hall of the Bulls, Lascaux Cave, France. (Thanks Adrien) (Image Source: Phaidon)

Reed Flute Cave, China. (Image Source: Big Picture)

Vatnajokull Cave, Iceland. (Image Source: Einar Runar Sigurdsson)

Waitomo Glowworm Caves, New Zealand. (Image Source: Penn State University)

Fingal’s Cave, Scotland. (Image Source: Photo District News)

Blue Grotto Sea Cave, Italy. (Image Source: Hannah Burke)

Naica Mine, Mexico. (Image Source: Wikipedia)

Orda Cave, Russia. (Image Source: Orda Cave)

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