"Long before the first Europeans arrived here, there were some 500 nations
already in North America," says host Kevin Costner, who returns to the
subject that inspired "Dances with Wolves," his 1990 Oscar-winning film. The
first installment opens with the 1890 tragedy at Wounded Knee, and examines
the Anasazi and Maya civilizations before moving on to the Azetc empire and
the impact of Spanish conquistador Hernando Cortes.