The mystery of the sailing stones has been solved. For years, enormous stones have been moving across the Racetrack Playa of Death Valley National Park, leaving engraved trails in the muddy surface behind.
ABC News: Top Stories, ABC News
Thu, 08/28/2014 - 8:28am
The mystery of the sailing stones has been solved. For years, enormous stones have been moving across the Racetrack Playa of Death Valley National Park, leaving engraved trails in the muddy surface behind.