What happens if the Hoover Dam fails? This engineering marvel has been standing for nearly a century, supplying water and ...

Hoover Dam, in addition to being ... to the Native American heritage of the surrounding land, holds a celestial map pinpointing the precise astronomical time—September 30, 1935, 8:56 p.m ...

If you're planning things to do in Las Vegas, you may be considering a day trip to the Hoover Dam – the National Historic Landmark that diverts water from the Colorado River to various corners ...

Sitting about 35 miles southeast of Las Vegas, the Hoover Dam spans the Colorado ... by a terrazzo floor with a celestial map noting the dam's dedication date: Sept. 30, 1935.