The Mike O’Callaghan–Pat Tillman Memorial Bridge, spanning the Colorado River and connecting Nevada and Arizona, as seen from top of Hoover Dam.
A power line pylon near Hoover Dam, on the Nevada/Arizona border.
Stairs lead to a maintenance door at the base of Hoover Dam’s 726-foot-tall face, on the Nevada-Arizona Border.
Hoover Dam from the Nevada side.
One of the two massive turbine rooms at Hoover Dam.
The dam that impounds Lake Lavon, Texas.
A sign reminding that the west side of Hoover Dam along the Arizona/Nevada border is in the Pacific Time Zone rather than Mountain Time.
A rock retaining wall and electrical tower next to downstream face of Hoover Dam.
Looking down the 221 meters (726 ft.) tall Hoover Dam.
Detail of a crane at Hoover Dam, Nevada. This crane was one of the original cranes used during construction of the dam in the 1930s.
The two 395-feet-tall water intake towers rise out of the water on the Nevada side of Hoover Dam. Two nearly-identical towers are also on the Arizona side.
These power lines carry freshly-generated electricity away from Hoover Dam to distant destinations.
The spillway riser at Lake Texoma along the Texas-Oklahoma border.
Lake Texoma Dam, Texas-Oklahoma border.