Shutterstock
Table of Contents
Cahokia Ancient Ruin, Illinois
You’ve probably heard about the Aztecs and Mayans, but North America had its own great city long before Europeans arrived. Cahokia, located in today’s Illinois near downtown St. Louis, was the biggest settlement north of Mexico before Columbus.
This Native American city, built by the Mississippian culture around 700 CE to 1400 CE, had up to 20,000 people living in it. More than London at the time. Here are some interesting facts about this fascinating UNESCO World Heritage sit.
Wikimedia Commons/Thank You (24 Millions ) views
Mathematical Design of the Central Pyramid
The builders of Monks Mound, Cahokia’s main pyramid, used precise math to construct it. They made perfect 30-degree angles at each corner and built the mound in 14 careful stages…