|  Hoover Dam from the Nevada side of the Colorado River in Lake Mead National Recreation Area
 |  O’Callaghan – Tillman Memorial Bridge across the Colorado River in Lake Mead National Recreation Area
 |  Hoover Dam from the O’Callaghan – Tillman Memorial Bridge in Lake Mead National Recreation Area
 |  Cable and power line towers above Hover Dam in Lake Mead National Recreation Area
 |  Hoover Dam from the O’Callaghan – Tillman Memorial Bridge in Lake Mead National Recreation Area
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|  Close up of Hoover Dam and Lake Mead in Lake Mead National Recreation Area
 |  Nevada tower from the top of Hoover Dam in Lake Mead National Recreation Area
 |  Statue at Hoover Dam in Lake Mead National Recreation Area
 |  Arizona tower from the top of Hoover Dam in Lake Mead National Recreation Area
 |  Under the O’Callaghan – Tillman Memorial Bridge in Lake Mead National Recreation Area
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|  Seal of Hoover Dam in Lake Mead National Recreation Area
 |  Hoover Dam from the Arizona side in Lake Mead National Recreation Area
 |  View of Hoover Dam from the Arizona side in Lake Mead National Recreation Area
 |  Close up of Hoover Dam from the Arizona side in Lake Mead National Recreation Area
 |  Memorial Bridge and Hoover Dam from the Arizona side in Lake Mead National Recreation Area
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|  Cable tower over Hoover Dam and the Colorado River in Lake Mead National Recreation Area
 |  Arizona side of the O’Callaghan – Tillman Memorial Bridge in Lake Mead National Recreation Area
 |  Lake Mead in Lake Mead National Recreation Area
 |  Power line towers on the Nevada side of Hoover Dam in Lake Mead National Recreation Area
 |  Baby Big Horn Sheep just outside of Lake Mead National Recreation Area
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|  Large Big Horn Sheep Ram just outside of Lake Mead National Recreation Area
 |  Close up of a Big Horn Sheep just outside of Lake Mead National Recreation Area
 |  Big Horn Sheep Ram just outside of Lake Mead National Recreation Area
 |  Vocal Big Horn Sheep Ram just outside of Lake Mead National Recreation Area
 |  Big Horn Sheep Ram just outside of Lake Mead National Recreation Area
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