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 ...

A year shy of its 90th anniversary, experts still marvel at the construction of the Hoover Dam, one of the most visited sites in the world.

A historic 30-ton locomotive used in the construction of the Hoover Dam in the 1930s was carefully relocated to its permanent display at the Nevada State Railroad Museum.