Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.

This documentary examines the ancient ruins of Chaco Canyon, built between 850 and 1150 A.D. in northwest New Mexico. This film describes and demonstrates the intricate and precise astronomical alignments among the many buildings spread over a wide desert area. These alignments, along with other evidence, support the theory that Chaco Canyon was a major ceremonial center.
Loading. Please wait...




