Holey Moly!

Look: 7 weird things scientists have found in sinkholes

Beware the (seemingly) bottomless pit!

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Off the coast of Belize is a gaping abyss called the Great Blue Hole.

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It’s a massive underwater sinkhole, created naturally by caved-in bedrock. Pits like this one are found across the world, from the Great Barrier Reef to the Great Lakes.