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Savonoski Crater: The mysterious, perfectly round hole in Alaska that scientists can't explain
The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it ...
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Scientists Can’t Explain This Perfectly Round Crater in Alaska—And It’s Been a Mystery for Decades
Deep in Alaska’s Katmai National Park, a perfectly round, 1,600-foot-wide crater has puzzled scientists for decades. Known as ...