Cahokia, the city bigger than London: Collinsville, Illinois, in 1050. Coordinates: 38.6539, -90.0644.

Raw States
Showing only
© OpenFreeMap © OpenMapTiles © OpenStreetMap contributors · Imagery: Powered by Esri (Esri, Maxar, Earthstar Geographics), USGS, NASA GIBS · Historic places & battlefields: NPS · © 2026 Canary Street LLC