With nearly five million tourists annually, Arizonas Grand Canyon is one of the most popular ... Inexperienced paddlers can always watch or focus on hiking, mountain biking, or rock climbing.

The Eldorado Canyon Trail offers scenic views and great hiking near Boulder ... the much more famous Rocky Mountain National ...

We’re on a cliff roughly 3,500 feet above the Colorado River at the tip of the Great Thumb Mesa ... an end-to-end hike of the Grand Canyon. Local tribes regard the Confluence, where the Little ...