Episode 9: The Fall of the Forgotten City of Cahokia

Around 1100 CE the massive city of Cahokia dominated the Mississippi floodplain. It contained a variety of colossal earthen mounds and had a population of 30,000 people, making it the largest (and possibly first) city in North America at the time.

Two hundred years later the city was completely deserted.

What happened to Cahokia and its people?