Also referred to as sliding rocks or moving rocks, are a geological puzzling phenomenon found in California, Death Valley. These rocks, some as heavy as 300 Kilograms, are mysteriously transported across a virtually flat desert plain without human or animal intervention, leaving erratic trails in the hard mud behind them, some hundreds of yards long.
They move by some mysterious force, and in the nine decades since we have known about them, no-one has ever seen them in motion.
Trails differ in both direction and length. Rocks that start next to each other may travel parallel for a time, before one abruptly changes direction to the left, right, or even back the direction it came from.
Trail length also varies – two similarly sized and shaped rocks may
travel uniformly, then one could move ahead or stop in its track.
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