Native America: Cities of the Sky explores the creation of some of the ancient world’s largest and most impressive cities. An archaeologist explores some of the world’s largest pyramids in Central America, scientists 3D-scan a lost city of monumental mounds on the Mississippi River, and native elders reveal ancient powers of the sky in modern-day Missouri. Modern research suggests these ancient urban centers are more than just great feats of engineering and artistry. They are heavenly cities—aligned to and inspired by the movement of the sun, moon, and stars.