The Washington Post
Ancient Cahokia: Metropolitan Life on the Mississippi
This article from the Washington Post gives a great description of Cahokia, one of the largest cities in the world before Columbus' contact with the New World. Read about how the great mounds were made, the trade networks established,...
Other
Cabrillo College: Cahokia
A concise, bulleted description of Cahokia, the major trade and population center of the Mississippian Mound Builders on the banks of the Mississippi River.
Other
University of Wisconsin: Cahokia Mounds Research Facility
This resource offers excellent photographs of excavations in progress although there is not much detail of Mississippian culture.
United Nations
Unesco: Cahokia Mounds State Historic Site
This World Heritage site includes a photograph of Cahokia as it appears today, a brief description of the excavation of the site, and a short video.