Arizona is home to over 1,000 volcanoes and has three active volcanic fields, the largest of which is the San Francisco Volcanic Field near Flagstaff.

Hike up the Lenox Crater at Sunset Crater Volcano National Monument and explore dramatic volcanic formations in Arizona, ...

Commercial air tours will soon be prohibited over Canyon de Chelly National Monument in northeastern Arizona under a plan approved this week by the Federal Aviation Administration and the National Par ...