The Sailing Stones Of Death Valley, California

Doors located in eastern California desert is one of the hottest places on earth
Strange and mysterious phenomenon of spontaneous motion in the valley and even cracked rocks on Earth is flat

Unsolved Mystery: How do the Sailing Stones of California's Death Valley move? No one is certain since no human being on record has ever actually seen the stones move. But move they do, as the trails they leave behind clearly demonstrate.