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8 of the most colorful 'painted' hillsides in the world

March 28, 2014, 2:15 p.m.
Painted Desert in Arizona

Photo: David P. Smith/Shutterstock

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Painted Desert, Arizona

This vibrant polychromatic desert located in Arizona's Petrified Forest National Park is composed of stratified layers of easily erodible siltstone, mudstone, and shale from the Triassic Chinle Formation. Its colors range from lavenders to shades of gray with vibrant colors of red, orange and even pink.