2. Chaco Canyon (New Mexico)
Chaco Canyon, located in northwestern New Mexico, was a major center of culture for the Ancestral Puebloans between 850 and 1250 AD. The canyon features massive stone buildings, ceremonial kivas, and an extensive network of ancient roads. Notable sites include Pueblo Bonito, the largest great house, and Fajada Butte, which aligns with solar and lunar events. Designated a UNESCO World Heritage Site in 1987, Chaco Canyon offers visitors a glimpse into the sophisticated urban planning and cultural achievements of the Ancestral Puebloans. (britannica.com)
