Arizona had a volcanic eruption 1,000 years ago, and the remnants are now a national monument that you can hike through for ...

Around 900 years ago, a volcano – which has come to be called Sunset Crater – erupted and transformed the encircling area. Geologic features like cinders, lava rock and lava flow compose this ...

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

Established in 1924, the Wupatki National Monument – part of a collective of Flagstaff Area National Monuments, including Sunset Crater Volcano and Walnut Canyon – is a nature and culture ...