Arizona’s Grand Canyon National Park is home to one of the most iconic natural features on earth. Here are the top trails, ...

A bumpy jeep ride, colourful rocks, and a surprise crocodile warning make the trip an unforgettable adventure.

Every year at Grand Canyon National Park, millions of visitors from all over the world stop at one of a dozen water spigots. Most people are on a rim, seeing the canyon's majesty for the first time, ...

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

When the plate boundary later moved farther south toward the modern Azores, the formation of the King’s Trough also came to a halt.” It’s a remarkable example of how activity deep within our planet’s ...

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

Kodachrome Basin State Park is near the town of Tropic, southeast of Bryce Canyon National Park, while Snow Canyon State Park ...

Far below the crowded overlooks and shuttle stops of Grand Canyon National Park, researchers have been probing a very different kind of attraction: a hidden “black box” in the rock that controls how ...

A massive underwater canyon system in the North Atlantic, stretching over 500 kilometers, has baffled scientists for years.

Tribes and environmentalists say the Interior Department's actions are attempts to erase complete tribal histories from park exhibits.

For hikers eyeing the most exclusive trails in the United States, the window to hike during summer is slamming shut in ...

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