midwest

Monks Mound is the largest earthen structure at Cahokia (for scale, people below and on top). About 80 earthen mounds or earthworks survive at the archeology site out of perhaps as many as 120 at the city's apex.

Unraveling Cahokia: The Forgotten City That Redefined Ancient America

Around 900 years ago, an extensive and sophisticated culture existed across the Mississippi River from present-day St. Louis, home to approximately 50,000 people in the metropolitan area. This was Cah...