Grand Canyon National Park is the United States’ 15th oldest national park and is located in Arizona. Within the park lies the Grand Canyon, a gorge of the Colorado River, considered to be one of the Wonders of the World. The park covers 1,217,403 acres (1,902 sq mi; 4,927 km2) of unincorporated area in Coconino and Mohavecounties.
Photograph by David Edwards
Photograph by James Randkl
Photos- Wilbur E. Garrett of National Geographic