Posted Thursday morning, January 5, 2017.
A thousand years ago, huge pyramids and earthen mounds stood where East St. Louis sprawls today in Southern Illinois. This majestic urban architecture towered over the swampy Mississippi River floodplains, blotting out the region's tiny villages. Beginning in the late 900s, word about the city spread throughout the southeast. Thousands of people visited for feasts and rituals, lured by the promise of a new kind of civilization. Many decided to stay.
At the city's apex in 1050, the population exploded to as many as 30 thousand people. It was the largest pre-Columbian city in what became the United States, bigger than London or Paris at the time…
And then it was gone. To jump to Annalee Newitz’s story on Cahokia, follow the link to “Finding North America’s lost medieval city” at ars technica.