"Hoover Dam has been accessible as a highway route ... Walsh said about a half dozen such bunkers were built around the dam during World War II, but only one is left. An interpretive display ...

The Hoover Dam bypass bridge — a second major engineering ... near existing concession facilities and a World War II-era bunker that officials hope to eventually open to the public.

The structure was known as a pillbox — defensive like a bunker, but smaller ... Lake Mead and — more strategically — Hoover Dam, the engineering landmark completed just six years ...

The reservoir which lies across Nevada and Arizona is formed by the Hoover Dam on the Colorado River. And its water levels are rapidly lowering. As the water disappears, the lake is revealing a ...