The almighty Grand Canyon earned its status as a globally recognized wonder of the world not merely for its epic size and dazzling depths, but also because of its eye-catching red rock coloration. Yet ...

The valley of the Colorado -- Mesas and buttes -- Mountains and plateaus -- Cliffs and terraces -- From Green River City to Flaming Gorge -- From Flaming Gorge to the Gate of Lodore -- The Canyon of ...