Beneath the rolling surface of the North Atlantic, the seafloor drops into a chasm so vast it rivals, and may even exceed, the Grand Canyon in scale. Known as King’s Trough, this hidden scar has long ...

Discover the most otherworldly slot canyons in Utah, ranked for their dramatic scenery, unique geology and surreal atmosphere ...

The western U.S. is a geologists' dream, home to the Rocky Mountains, the Grand Canyon, active volcanoes and striking sandstone arches. But one landform simply doesn't make sense.

Experience a romantic Valentine’s Day like no other by dining underground in Arizona. Unique setting, cozy atmosphere, and ...

A giant underwater canyon system in the Atlantic appears to have formed through tectonic forces rather than erosion.

Ariel Pinkney told Newsweek: "I kept talking about it for the rest of the day because I couldn’t wrap my head around it." ...

A canyon hike in Illinois that feels way bigger than it should. Rugged trails, dramatic rock walls, and real adventure ...

Discover the most dog-friendly national parks in the U.S., plus tips on hiking, rules for leashed pets, and how to explore ...

Do you think you can name all the famous people from Arizona? From Emma Stone to César Chávez, here's a list of 25 Arizonans everyone knows.

Canyons are among the world's most stunning natural creations, formed by centuries of continuous erosion and the effects of flowing water. They consist of narrow gorges carved out of rock and earth; ...

Canyons are awe-inspiring natural features, shaped over millions of years by rivers, glaciers, wind, and shifting tectonic forces. Lucky for U.S. residents, American is home to many of these gorgeous ...

Visitors to Grand Canyon National Park’s South Rim will have to find outside accommodations for the foreseeable future starting Saturday due to several breaks in the main waterline that serves the ...