On the canyon-slashed slopes and bottoms of the Pajarito Plateau are the ruins of many cliff houses and Located near Los Alamos and White Rock, New Mexico. Located in Carlsbad, New Mexico. Chaco Canyon was a major center of ancestral Puebloan culture between A.D. 850 and 1250. It was a hub of ceremony, trade, and government for the prehistoric Four Corners area - and a phenomenon unlike anything before or since. Located in San Juan County, in northwestern New Mexico.
Closer inspection reveals unique ecosystems with complex relationships.
Sandstone bluffs and mesas border the eastern side, providing access to vast wilderness. Located at Grants, New Mexico. The monument also includes pre-Columbian petroglyphs and Pueblo Indian ruins. Located at Ramah, New Mexico. During it's forty-year history, three different forts were constructed close together.