Did you know that the largest prehistoric settlement in the Americas north of Mexico was in the heart of the present-day United States? Its name was Cahokia. Located in Collinsville, Illinois, eight miles east of St. Louis, Missouri, Cahokia dates back to A.D. 700 when it was first settled by people of the late Woodland culture. It was the later Mississippian people of Cahokia, however, who built the many earthen mounds, which looked like flat-top pyramids. Archaeologists believe that Cahokia once had as many as 120 mounds over a six-square-mile area. Today, 80 mounds remain. Some of these mounds are low slopes that gently rise up from the ground. Other mounds are 20 to 40 feet high, and one mound is 100 feet high. At Cahokia’s peak, from A.D. 1050…
