8. The Sailing Stones of Death Valley

In California’s Death Valley, certain rocks appear to move on their own, leaving long, winding trails etched into the desert floor. Time-lapse photography has captured some stones gliding across the playa, possibly pushed by thin sheets of ice and gentle winds. Yet, the exact conditions necessary for this rare occurrence are not fully understood. The mystery of the sailing stones continues to intrigue both visitors and scientists. Discover more at Smithsonian Magazine.