Vermilion Cliffs National Monument
Vermilion Cliffs National Monument is located in northern Coconino County, Arizona, United States, immediately south of the Utah state line. This national monument, 293,689 acres (118,852 ha) in area, protects the Paria Plateau, Vermilion Cliffs, Coyote Buttes, and Paria Canyon.
Source: Wikipedia — Vermilion Cliffs National Monument (CC BY-SA 4.0)