Plan a winter trip to the Grand Canyon with our winter guide to the Grand Canyon. Don't let a little snow keep you from ...

The Navajo Loop Trail is one of the most popular trails ... A hike here, like the Grand Canyon, starts off easy as you start off hiking downhill. It is easy to hike much further into the canyon ...

The lunar canyons Vallis Schrödinger and Vallis Planck are extraordinarily deep, and scientists now know the valleys were ...

Filming even shut down Loop 303, causing drivers to have to take detours to accommodate the moviemakers. This 1960 movie included sweeping panoramic shots of the Grand Canyon State and downtown ...

The Grand Canyon in Arizona got carved by water over millions of years of slow but steady erosion. Two similarly-sized canyons on the moon got carved by flying rocks in about ten minutes.

Backroads’ multisport loop through Bryce, Grand Canyon, and Zion National Parks is the ideal family primer to the American Southwest. The all-hike-and-bike itineraries quickly get you into the ...

While travelers can get a good view of the valley from the Grand Loop Road, Fishing Bridge-Canyon and the various lookout points along the road, some consider going the extra mile and venturing ...

U.S. News Insider Tip: Don't blink or you'll miss the windows bored through the walls of the tunnel. This area is congested, especially when rangers stop the flow for oversized vehicles.