Photo of the Day
a stream of water flowing through the narrow Olo Canyon in Arizona
August 19, 2016
Hidden Gem
Forged by the wear of water rushing over rocks, Olo Canyon in Arizona is concealed inside the Grand Canyon. Its alluring landscape includes natural springs and rocks shaped like cathedral amphitheaters.
See more pictures from the September 2016 story "Are We Losing the Grand Canyon?"
Go Further
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Science
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Travel
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