Cahokia Mounds: https://en.wikipedia.org/wiki/Cahokia :
> Today, the Cahokia Mounds are considered to be the largest and most complex archaeological site north of the great pre-Columbian cities in Mexico.
Chicago was a trading post further north FWIU, but not an archaeological site.
"Michoacan, Michigan, Mishigami, Mizugami: Etymological Origins? A Legend." https://christopherbrianoconnor.medium.com/michoacan-michiga...
Is there evidence of hydrological engineering or stonework?
It's not clear whether the megalithic Sage Wall in MT was man-made, and sort of looks like the northern glacier pass it may have marked.
FWIU there are quarry sites in the southwest that predate most timelines of stonework in the Americas and in Egypt, Sri Lanka / Indonesia, and East Asia; but they're not further north than Cahokia Mounds.
In TN, There are many Clovis sites; but they decided to flood the valley that was home to Sequoyah - who gave written form to Cherokee and other native languages - and also a 9500-year old archaeological site.
This says the Clovis people of Clovis, New Mexico are the oldest around: https://tennesseeencyclopedia.net/entries/paleoindians-in-te...
The Olmecs, Aztecs, and Mayans all worked stone.
From where did stonework like the Osireon originate?