Hells Canyon is the deepest river canyon in the United States. Now scientists have solved the mystery of when it formed.

Arizona’s giant natural wonder reliably strikes awe, whether tackled from inside or above.

The Odessa American is the leading source of local news, information, entertainment and sports for the Permian Basin.

Located in the far northwest corner of Montana, straddling the Canadian border, Glacier National Park is internationally ...

The national park might be America’s greatest gift to the world. U.S. President Ulysses S. Grant signed the Yellowstone ...

Palo Duro Canyon placed in the 10 best state parks in the United States in the USA TODAY 10BEST Readers' Choice Awards. See ...

While the bulk of Grand Canyon visitors head to the ubiquitous Grand Canyon Visitor Center located at the canyon’s south rim ...

Start in Las Vegas and end up in a landscape that feels like Mars — with plenty of killer meals in between L as Vegas is ...

Discover Gandikota in Andhra Pradesh, famously known as India’s Grand Canyon. Explore ancient forts, breathtaking cliffs, ...

In the 1970s, Barbara and Bradford Washburn spent seven years mapping the entire Grand Canyon. Photograph by Charles O'Rear, Nat Geo Image Collection For nearly half a century, the pair mapped the ...

Memorial Day weekend is the perfect time for a quick Arizona road trip. Here are the best things to do in Jerome, Flagstaff, ...