Once used to haul supplies to the Hoover Dam’s construction site, Lake Mead’s Historic Railroad Trail now offers a 3.5-mile ...

A visit to Hoover Dam, that iconic concrete giant straddling the Colorado River at the border of Nevada and Arizona, offers history, power and jaw-dropping views. Visitors can walk around the site ...

Construction of the Hoover Dam, on the Nevada-Arizona border, began on this day in history, July 7, 1930. It covers over 220 acres and is a National Historic Landmark.

Object Details Creator Smithsonian Channel Views 359,439 Video Title How the 726-Foot-Tall Hoover Dam Was Built Ahead of Schedule Description ...

Hoover Dam bypass The road to Hoover Dam, formerly U.S. 93, was identified in the 1960s as dangerous and inadequate to handle projected traffic volumes.

Don't miss the big stories. Like us on Facebook. 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.