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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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Campfires and close encounters: is this the world's most intrepid sleepover?
Stephanie Rafanelli sleeps out in Botswana’s Kalahari and Makgadikgadi salt flats to discover the secrets of a ...