These  holes are not only amazing, but some are really  terrifying! The sheer scale of these holes reminds you of  just how tiny we are.

Kimberley Big Hole -  South Africa
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Apparently the  largest ever hand-dug excavation in the world, this 1097  meter deep mine yielded over 3 tons of diamonds before  being closed.

Glory Hole -  Monticello Dam, California
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A glory hole is used  when a dam is at full capacity and water needs to be  drained from the reservoir. It is the largest spillway of  this type in the world and consumes 14,400 cubic feet of  water every second.

Great Blue Hole ,  Belize
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This incredible  geographical phenomenon known as a blue hole is situated  60 miles off the mainland of Belize . There are numerous blue holes around the world, but none as stunning as this  one.

Sinkhole in,  Guatemala
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These photos are of  a sinkhole that occurred in Guatemala . The hole swallowed  2 dozen homes and killed at least 3  people.

<snip> HOLE,  Washington D.C.
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This hole swallows  trillions and trillions of U.S. Dollars annually!
The money that falls  into this hole is never heard from again, nor do we see  any good come from it.