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

Everything to know about seeing Hoover Dam, including the security checkpoint, whether there's a lot of walking and how to ...

From outside, this vast construction is about size, scale and spectacle. Once inside, it becomes more about appreciating how ...

The most dangerous phase of Hoover Dam's construction was building the diversion tunnels, two on each side of the Colorado River. Blasting holes 56 feet in diameter, three-quarters of a mile ...

and tunnels. The winning bid was $48,890,995. President Franklin D. Rooseveltt attends and speaks at the dedication of Boulder (Hoover) Dam. Officially declaring that the dam at Boulder Canyon be ...

Take in views of Lake Mead, the Hoover Dam and the Colorado River on this ... of Reclamation will take you through the inspection tunnels and the generator room. Most reviewers give this tour ...

“Our guided tours offer an educational, informative and entertaining experience into the Hoover Dam, power plant and penstock tunnels. Please keep in mind that Hoover Dam is a secure federal ...

Hoover Dam Powerplant: Located 530 feet below Black Canyon's surface, this power plant is where you'll find the dam's 17 generators, plus a tunnel drilled in the 1930s and a platform that sits on ...