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Blue Hole, Belize
The Great Blue Hole is a massive marine sinkhole off the coast of Belize, a UNESCO World Heritage site. Its a nearly perfectly circular hole, over 300 meters deep. Divers descend through the hole, enc...
2
Giant's Causeway
The Giant's Causeway, on the coast of Northern Ireland, is a unique geological formation of approximately 40,000 interlocking basalt columns. These columns were formed by volcanic activity millions of...
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