Cahokia Mounds Collinsville Illinois such a cool place to visit. Great walking and biking trails. always feel a lot of spirituality out there and the history of the place is amazing.
CAHOKIA MOUNDS WORLD HERITAGE & STATE HISTORIC SITE is the largest pre-Columbian site north of Mexico. At its peak, around 1100, this metropolis stretched over 4,000 acres, encompassed about 120 earthen mounds, and hosted a population of nearly 20,000 individuals – larger than London at that time. The State of Illinois now protects roughly 2,200 acres of the central portion of the Site. Including 72 of the nearly 80 remaining mounds, as some mounds are situated in unprotected portions of the Site.