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Petroglyph National Monumentimage of volcanoes and flowers
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Petroglyph National Monument
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Pecos River Viaduct  

Did You Know?
During both World War I and World War II, the Pecos River Viaduct was guarded by the U.S. Army against enemy saboteurs as it was a vital link to the war efforts.

Last Updated: November 21, 2006 at 12:53 EST