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

Hoover Dam, on the border of Nevada and Arizona ... outdoor areas such as the Mike O'Callaghan–Pat Tillman Memorial Bridge. Access to the dam's interior, power plant and other restricted ...

The Shark Reef at Mandalay Bay —This aquarium is home to more than 2,000 species of sharks, exotic fresh and saltwater fish, ...

Question: Why does concrete get hot when it is curing? Answer: Simply put, water plus aggregates (gravel, sand, stone), plus cement (such as Portland cement) start a chain of chemical reactions called ...

From majestic peaks and dramatic canyons to amazing cityscapes, these helicopter tour operators represent the best of heli-tourism.

View of the Hoover dam on the Colorado river near Las Vegas, USA. View of an arch bridge over Colorado river with traffic going across it near Hoover Dam In Nevada. View of an arch bridge over ...

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

Harold Ickes, whom Roosevelt chose to become Interior secretary in his administration, decided in May 1933 to revert the name back to Boulder Dam because he felt it “should not carry the name of any ...