Upended

https://commons.wikimedia.org/wiki/File:US_Highway_131_map.png
Image: Wikimedia Commons

Canada is south of Detroit.

Due to a curve in the border, Windsor, Ontario, lies south of Michigan’s largest city.

A floral compass in Windsor bears a plaque that reads:

THE GEOGRAPHICAL LOCATION OF THE U.S.A. AT THIS POINT LIES DUE NORTH OF CANADA