• View of Square Tower House, seen along the Mesa Top Loop

    Mesa Verde

    National Park Colorado

Scene of Spruce Tree House, 1250s

Did You Know?

Kiva courtyard at Spruce Tree House

A subterranean kiva remained 50 degrees Fahrenheit all year round. So for the Ancestral Puebloans, it stayed cool in the summer, and only a small fire was needed to keep it warm in the winter.