Bored Panda on MSN34m
Giant Sinkhole Opens Up In South Dakota, People Go Inside It To Investigate And The Pics Go ViralAbout a dozen houses in Black Hawk, South Dakota, were evacuated after a sinkhole opened under the Hideaway Hills development ...
Natural Trap Cave near Lovell is one of the best Ice Age fossil sites in the world, but its lack of saber-toothed cats and giant ground sloths ...
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