The moving boulders of Death Valley, a mystery. No one has seen them in motion! The 200 pound rocks are always seen with trail marks. No one knows for sure exactly how the rocks move - although a few have come up with some good explanations.
50+ Unbelievable Places That Look Like They’re From Another Planet
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Nevada overlooking Death Valley mountains 16155 x 3748 [OC]
Petroglyphs at Death Valley [OC][Heysenn][615×960] #reddit
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