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 ...

The Trump administration plans to shutter two National Park Service offices in Flagstaff later this year as part of ...

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 ...

Increasing volcanic activity at the over 11,000-foot-tall, snowcapped volcano in Alaska is likely a sign of its impending first eruption since 1992, experts say. Mount Spurr, located about 75 miles ...

Discover the volcanic landscape of Sunset Crater Volcano or the awe-inspiring scenery of Monument Valley for a memorable Arizona adventure. Every year, millions flock to Grand Canyon National Park ...

ANCHORAGE, Alaska (AP) — A volcano near Alaska’s largest city ... from the summit vent was more than 5,000 years ago. The Crater Peak vent, meanwhile, erupted once in 1953 and three times ...

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