Great Empires of North America, Part 1: The Old World

People of the Calusa society of ancient Florida

They built astronomical observatories and innovative farming systems and we don’t even know their names. Meet North America’s first great civilizations.

Nearly four thousand years ago as the city of Babylon was first growing into a metropolis, and Egypt’s Middle Kingdom was in full swing a group of hunters along North America’s Mississippi River assembled in their thousands, to build something very strange.

In a place that would someday be known as northern Louisiana, they staked out an area of some five hundred acres, and began to heap the earth into enormous mounds.
Read more