Hoover Dam Powerplant: Located 530 feet below Black Canyon's surface, this power plant is where you'll find the dam's 17 generators, plus a tunnel drilled in the 1930s and a platform that sits on ...

An "adrenalin junkie" from north Wales has been fined by police in America after swimming across the Colorado River at the Hoover Dam. Arron Hughes ... a dip'," he said. Turbines close to where ...