Journey southwest into America's deserts to see a national park home to fascinating historical sites. Plus, learn all about ...

Archaeologists believe the decision to build in a desert was religious; many of the buildings follow an astrological alignment that would have required generations of celestial study. Chaco Canyon ...

Acres that would be protected by the Chaco Cultural Heritage Area Protection Act Between ... The structures completed by these Native populations were some of the largest buildings constructed in ...

The Mystery of Chaco Canyon is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku ...