The Wave in Utah - Carved rock eroded into a wave-like formation made of jurrasic-age Navajo sandstone that is approximately 190 million years old. (Steffen and Alexandra Sailer/Ardea/Caters News)
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The Wave in Utah - Carved rock eroded into a wave-like formation made of jurrasic-age Navajo sandstone that is approximately 190 million years old. (Steffen and Alexandra Sailer/Ardea/Caters News)
(More photos of natural phenomena on Flickr) less 
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Tue, Nov 20, 2012 10:00 AM EST