| Title | : | Cahokia Mounds once one of the greatest cities in the world |
| Duration | : | 4 minutes, 1 second |
| Uploader | : | HEC Happening Now |
| Added On: | : | 21 September, 2019 |
| Views | : | 36.1K times |
| Likes | : | 0 |
| Source | : | YouTube |
It was once one of the largest cities in the Americas, and remains home to the largest prehistoric manmade earthen construct in the United States. Cahokia Mounds is a state historic site managed by the Illinois Department of Natural Resources, a UNESCO Wo
