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 ...

A feat of modern civil engineering, Hoover Dam has stood tall and brought billions of visitors to Las Vegas since it was constructed in the 1930s. But one of the lesser known facts about it is ...