Ancestral Pueblo people made Mesa Verde their home for over 700 years (A.D. 600 to 1300).  Mesa Verde National Park is protective of those cliff dwellings --  some of the most notable and best preserved in the United States.

I'm sitting ON the "4 Corners" of Utah, Colorado, Arizona, and New Mexico

Julio and Mac - Gooseneck State Park

Camping at Mesa Verde