I once ran across the Grand Canyon and back in a single day ... In less than 8 miles the trail drops 5,000 feet to the river. I know, I know, running downhill is really fun.

Without a doubt, few sights in the United States are as stunning as the Grand Canyon. This world-famous ... flowing adventure head to Russell Fork River, home to some of the region's best ...

After you've admired the Grand Canyon from the hiking trails (or even from the air on a helicopter tour), enjoy a new vantage point on a Colorado River rafting tour. Options range from the family ...