Natural Wonders Four Corners Monument.
Stone slab designates site where New Mexico, Arizona, Utah and Colorado meet.
Visitor center, crafts and food booths. 30 miles northwest of Shiprock off U.S. 64 and U.S. 160. P.O. Box 9000, Navajo Parks and Recreation, Window Rock, Ariz. 86515. Rock formation that rises 1,700-feet from desert floor. Sacred to the Navajos.