"The Grand Canyon is an epic Rosetta Stone for geology," Denver Museum of Nature and Science geologist James Hagadorn said.

A variety of companies offer helicopter tours of the Grand Canyon ... the widest and deepest part of the canyon. Along the way, passengers will soar above Marble Canyon and Point Imperial ...

Artist David Adilman stands next to several sculptures in his garden outside his home in Andover. Adilman is a sculpture ...

Diverse Landscapes and Scenic Drives: Arizona offers a variety of landscapes, from the iconic Grand Canyon to the red rock formations ... crossing the Colorado River near Marble Canyon. The winding ...