🇺🇸 Cahokia, United States

Cahokia was a pre-Columbian Native American city located in the state of Illinois, United States. It was the largest city north of Mexico and had a population estimated to be between 10,000 and 20,000 people at its peak. While Cahokia is not a coastal city and does not have ports or shipyards, its historical significance and archaeological sites may be of interest to maritime enthusiasts seeking to explore the cultural heritage of the region.