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.

In Arizona, a handful of demanding canyon hikes test endurance while rewarding experienced trekkers with dramatic terrain and ...

Beneath the rolling surface of the North Atlantic, the seafloor drops into a chasm so vast it rivals, and may even exceed, ...

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 ...

Kodachrome Basin State Park is near the town of Tropic, southeast of Bryce Canyon National Park, while Snow Canyon State Park lies just north of St. George along the route to Zion. Spring and fall ...

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

Arizona is full of adventure! Hike, kayak, or float above the desert for outdoor experiences you can’t miss this year.

Summer at national parks means elbow-to-elbow crowds and parking lots that fill up before sunrise. Winter season, however, ...

These Texas state parks stand out for dramatic scenery, diverse landscapes, and natural features that many visitors say rival national parks.

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.