unusual natural phenomena
moving rocks
the mysterious moving rocks of death valley national park, california, have puzzled scientists
rocks weighing up to several hundreds of kilograms have been known to travel as far as 458 meters over the dry clay bed. studies have shown that neither gravity nor earthquakes are responsible for the phenomena
this theory does not explain the evidence of tracks left behind by rocks, which start side by side and move in different directions.
moreover, wind speed of hundreds of kilometers would be needed to move some of the stones. the rocks are believed to move as fast as a walking person, but so far, cameras haven't picked up pictures of rock in motion