Racetrack Playa

The Racetrack Playa, or The Racetrack, is a scenic dry lake feature with "sailing stones" that inscribe linear "racetrack" imprints. It is located above the northwestern side of Death Valley, in Death Valley National Park, Inyo County, California, U.S.

Source: Wikipedia (CC BY-SA 4.0) — https://en.wikipedia.org/wiki/Racetrack_Playa