Hells Canyon might be deeper than the Grand Canyon, but it's barely 2 million years old, according to a new study.

America's first national park is a bucket list destination for millions. We polled frequent visitors to find the best places ...

In this month’s Canyon Commentary, author Scott Thybony ponders the ancient story of a Hopi boy who embarks on an epic ...

Celebrate National Trails Day with some of the best hikes in the U.S.—from slot canyons to grassland wanders to secluded ...

After traveling to all 63 major US national parks, destinations like Grand Teton, Acadia, and Glacier National Park were my ...

Arizona is home to some of the most exceptional landmarks in the United States. You’ll have plenty to explore from the ...

It's a testament to Mother Nature's strength and power, so vast and spectacular that it's often considered the "Grand Canyon of Washington."The Grand Coulee in Washington is an ancient river bed gorge ...

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

Dam maintenance and non-native fish reduction efforts led the government to reject an environmentally restorative flood in ...

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 ...

Arizona lost to Ole Miss earlier on Saturday before beating Grand Canyon in the nightcap. (Gilbert Alcaraz/All Sports Tucson) No. 14 Arizona remains alive in the postseason after beating Grand Canyon ...

Tom Myers has worked as a physician on the South Rim of the Grand Canyon since 1990, and he knows all the ways ... This is so epic, so grand, and the cliff walls were looming, and the shadows were ...