Arizona relies on the Colorado River to feed the nation and keep major cities humming. But the state could be in line for a lot less water soon.

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 ... Bend on a motorized raft with Wilderness River ...

Arizona is overflowing with natural wonders, including the awe-inspiring Grand Canyon and an underrated national park with ...