The Wupatki National Monument's a National Monument located in north-central Arizona, near Flagstaff. Rich in American Indian ruins, the Monument's administered by the National Park Service in close conjunction with the nearby Sunset Crater Volcano National Monument. Wupatki was listed on the National Register of Historic Places on October 15, 1966. The many settlement sites scattered throughout the monument were built by the Ancient Pueblo People, more specifically the Sinagua, Cohonina, and K… (More on Wupatki)