There are actually seven rivers buried underneath the city of Detroit.  There have been periodic efforts to get the city to surface some of them.  The French settlers of the city envisioned it as a Venice of the Midwest.<p><a href="https:&#x2F;&#x2F;vimeo.com&#x2F;62514522" rel="nofollow">https:&#x2F;&#x2F;vimeo.com&#x2F;62514522</a>