Tuesday, November 13, 2018, 9:00-11:00 p.m.

Discover the cosmological secrets behind America’s ancient cities. Scientists explore some of the world’s largest pyramids and 3D-scan a lost city of monumental mounds on the Mississippi River; native elders reveal ancient powers of the sky.

Discover how resistance, survival and revival are revealed through an empire of horse-mounted Comanche warriors, secret messages encoded in Aztec manuscript and a grass bridge in the Andes that spans mountains and centuries of time.

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