Not so long ago – around 900 AD – one of the largest, most sophisticated societies lived in southern Illinois. They had complex political and religious systems. They were many in number. And just like that, they disappeared. So what happened? Clues to the story can be found at the place they once lived: Cahokia Mounds.

Related Stories

The Whole Family Could Spend An Entire Day Having A Blast At The Choo Choo In Illinois

The Whole Family Could Spend An Entire Day Having A Blast At The Choo Choo In Illinois

This Drive-Thru Barbecue Spot In Illinois Has Been Serving Delicious Eats Since 1952

This Drive-Thru Barbecue Spot In Illinois Has Been Serving Delicious Eats Since 1952

Enjoy A Lakefront Airbnb Adventure Under the Stars At This Illinois Spot

Enjoy A Lakefront Airbnb Adventure Under the Stars At This Illinois Spot

Have you been here before? What did you think? Here are more things to do along the Mississippi River.

OnlyInYourState may earn compensation through affiliate links in this article. As an Amazon Associate, we earn from qualifying purchases.