Grand Canyon Visited Parks

A cardinal perches on a branch along the popular Towpath Trail at Cuyahoga Valley National Park. Established in 2000, the park features marshes with abundant wildlife, vistas of tree-covered hills, and secluded trails through rugged gorges. A climber tests a sandstone boulder in Utah’s Zion National Park. Established in 1919, Zion has more than 100 miles of wilderness trails crisscrossing the backcountry.

Source link:

http://insitutefun.blogspot.com/2011/07/grand-canyon-top-10-most-visited-parks.html