13 Largest and Deepest Mysterious Holes on Earth

Posted on Jun 09, 2016

Giant holes are strange natural phenomena that appear around the world. They can be man-made, but when their origins are mysterious, they can be the subject of many legends and scary stories. Check out the most frightening giant holes from around the world.

1. Berkeley Pit, Butte, Montana

Berkeley Pit, Butte, Montana
Photo: s-media-cache-ak0.pinimg.com
Berkeley Pit used to be a copper mine. With a depth of 1,780 feet in depth, 1 mile in length and half a mile in width, over 900 feet are filled with highly acidic water!
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13 Largest and Deepest Mysterious Holes on Earth
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