Racetrack Playa - Death Valley 🏜️ The Mystery of the “moving rocks” or “sailing stones” of Death Valley are a geological phenomenon where rocks move across a dry lake bed, leaving trails behind them. While no one has ever seen them move in person, evidence of their movement, like the trails they leave, indicates they do indeed move. In 2014, scientists were able to capture the movement of the stones for the first time using time-lapse photography. The results strongly suggest that the sailing s