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The Racetrack at Death Valley. Large stones move across the sand on their own. Scientist have yet to understand how or why. A mystery of nature.

41 Most Mysterious and Interesting Places on Earth - Sailing Stones of death valley, California

The "Band of Holes" consists of approximately 6,900 unexplained man-sized holes carved into the barren rock near Pisco Valley, Peru on a plain called Cajamarquilla. It dates back to ancient times and remain a mystery much like neighboring Nazca Lines and Machu Piccu best appreciated from the air and satellite imagery. You might want to locate them with Google Earth.

The McMurdo Dry Valleys | A row of valleys in Antarctica. It has many interesting geological features including Lake Vida & the Onyx River. The valley's floor occasionally contains a perennially frozen lake with ice several meters thick. It is also one of the world's most extreme deserts under the ice, in the extremely salty water, live mysterious organisms.

The Vergefrom The Verge

The mystery of Death Valley's sailing stones has been solved

The mystery of Death Valley's sailing stones has been solved - After decades of guessing, researchers finally caught the rocks in the act

Sailing Stones in Death Valleys Mojave Desert; an unexplainable phenomenon that only occurs in this valley

Mystery solved: 'Sailing stones' of death valley seen in action for the first time. As nighttime temperatures plummet, the pond freezes to form thin sheets of "windowpane" ice, which must be thin enough to move freely but thick enough to maintain strength. On sunny days, the ice begins to melt and break up into large floating panels, which light winds drive across the playa, pushing rocks in front of them and leaving trails in the soft mud below the surface. bg

pink desert Libya---On the surface of the sand free corridors among the great dunes of the southern part of the Great Sand Sea lie one of the most enigmatic mysteries of the Libyan Desert - chunks of green through yellow to white Libyan Desert Glass (LDG), a mineral made up of almost 100% pure silica in an amorphous, glassy state.

Great mysteries

Great mysteries
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Great mysteries that can’t be explained…

Great mysteries

Holy Austin Rock, Kinver, Staffordshire. Homes in the rock. From the 1600's until the 1960's whole families lived comfortably in cave dwellings hewn into the soft sandstone along Kinver Edge. The rock houses here at Holy Austin Rock are among the finest in Europe. Eleven families lived here in a warren of whitewashed rooms on three levels. Now looked after by The National Trust.