The Grand Canyon's three Inner Corridor trails had to be shut after workers discovered dangerous chlorine gas at the Roaring ...

For an even more vertiginous view, hike the short (0.5-mile) trail to Bright Angel Point. Given the absence of roads, there are only three ways to explore the Grand Canyon below the rims ...

Bright Angel, South Kaibab and North Kaibab trails were all closed. The gas leak was at Roaring Springs, which is the water ...

The Grand Canyon, located in Arizona, USA, is one of the most iconic natural wonders in the world. Carved over millions of ...

Three trails at the Grand Canyon are closed until further notice after a chlorine gas leak at Roaring Springs.

Desert View Drive follows the South Rim of the canyon for 26 miles, offering views of the canyon's rock formations ... the Bright Angel Trail (on foot or by mule) from the Grand Canyon Village ...

"Scroll Down through History" displays the layers of rock exposed within the Grand Canyon and shows when in earth's history they formed. The region where the Grand Canyon now lies begins to shift ...

Several pictographs painted onto a rock band are visible only a few steps down the Bright Angel Trail. However, Nampaweap at the Grand Canyon-Parashant National Monument features petroglyphs in ...

The Grand Canyon covers 1,904 square miles in Arizona, and is one of the most famous National Parks in the U.S. Nearly 5 million visitors flock to the canyon ea ...

Cedar Breaks' prominent feature is a majestic 2,000-foot-deep amphitheater of reddish-orange rock carved ... hiking to Bright Angel Point for a spectacular view of the Grand Canyon, or sit in ...

The Grand Canyon is the biggest canyon on earth: 277 miles long, 10 miles wide, and a mile deep. It contains some of the oldest exposed rock on earth ... of the Bright Angel Trail (which he ...