Emerald Cave, also known as Emerald Cove, shimmers with luminous green light. Here's the best time to visit Emerald Cave and how to get there.

There's no other place in Arizona that comes as close to a European village as the English Village in Lake Havasu City.

An xAI official provided new details about plans for the artificial intelligence company's second Memphis facility — but not how it will be powered.

Nestled within the Lake Mead National Recreation Area near the Arizona-Nevada border, this natural observation deck offers the kind of views that make you question why you’ve spent so much time ...

Ethiopia says it has completed building a mega-dam on the Blue Nile that has long been a source of tension with Egypt and Sudan. Launched in 2011 with a $4bn (£2.9bn) budget, the dam is Africa's ...

The FBI is vacating its longtime headquarters, the iconic J. Edgar Hoover Building, for a new home in downtown Washington.

Lake Mead sits low behind Hoover Dam, near Boulder City, Nevada on December 16, 2021. The federal government could exercise control of the dam and reservoir if states aren't able to agree on new rules ...

Explore the Hoover Dam, a marvel of engineering showcasing its necessity for America, innovative design and location, and the construction journey. Discover how the Hoover Dam operates, its ...