The King's Trough Complex is a several-hundred-kilometer-long, canyon-like system of trenches on the North Atlantic seafloor.

Arizona is home to more than three dozen national parks, sites and monuments. These 10 easy to moderate hikes show off the ...

Wildly fluctuating temperatures, punishing grades, brushes with mountain lions—the Grand Canyon’s Rim to Rim to Rim is not ...

See a map of historic wildfires over 5,000 acres on the north rim of the Grand Canyon in between 1986 and 2025.

Explore this underrated outdoor haven in Arizona for hiking, camping, fishing, and volcanic landscapes without the heaving Grand Canyon crowds.

The Grand Canyon National Park is owned and operated by the National Park Service of the Department of the Interior, which maintains several parks and more than 400 natural, cultural … Learn more The ...

As part of its mission to share the culture and history of one of the world's most significant landmarks, the Grand Canyon Conservancy is hosting artists and astronomers to share their work with the ...

Oops! Something went wrong, please try again later. Welcome to Grand Canyon University (GCU), Arizona's premier private Christian university. For more than 65 years ...