The film examines the mysteries presented by the prehistoric remains found in Chaco Canyon in northwestern New Mexico. Between 850 and 1150 AD, the Chacoan people designed and constructed massive ceremonial buildings in a complex celestial pattern throughout a vast desert region. Robert Redford narrates.
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- KET2: Thursday, August 30 at 10:00 PM ET / Thursday, August 30 at 9:00 PM CT