New Delhi: The Racetrack Playa in California is a place of stunning beauty and mystery. The Racetrack is a playa--a dry lakebed--best known for it's strange moving rocks. No one knows how, but the stones
unsolved mystery of racetrack playa where rocks sailImage Source : INDIATV
Some people have suggested attaching radio transmitters to the rocks or erecting cameras to catch them “in the act” in order to put an end to the speculation.