Walkers can step back into Hoover Dam history while getting some of their daily steps in Boulder City. The town, about a half-hour south of Las Vegas, helped build Hoover Dam. A self-guided ...

The Hoover Dam captures water from the Colorado ... it and helped the economies in all three of those states. "The dam helped build Nevada, as the state felt that building it would bring economic ...

The solar array isn’t the only plan China has for space research—it also plans to reach the Moon and build an International ...

At the Hoover Dam security checkpoint on the Nevada side ... "All tour tickets also give visitors access to the 1940s original exhibit building across the street from the visitor center ...

Hoover Dam, on the border of Nevada and Arizona ... "All tour tickets also give visitors access to the 1940s original exhibit building across the street from the visitor center,” Whitlow ...

A beaver dam so huge, it was more than twice the length of the Hoover Dam. Located in Wood Buffalo National Park in Alberta, ...

It took five years to build the Hoover Dam, yet it will take another 12 years to open a new airport outside of Las Vegas. This is an example of how modern government red tape hampers progress.

China wants to build a space-based solar power station in orbit around Earth, and it could do so in the next 25 years.

In ‘The Alluvials,’ artist Alice Bucknell reimagines the Los Angeles water system.