It is the largest freshwater ecosystem on Earth with three beautiful falls in two countries and powered by four of the five Great Lakes. Delve into Niagara Falls through the eyes of scientists and naturalists on PBS tonight (April 19th).
Like most neighboring states, there's a rivalry between Wisconsin and Michigan, dating back to when the US government took all of the land today known as the Upper Peninsula away from Wisconsin and gave it to Michigan. Today Wisconsin attempted to get revenge.
The invasive fish species known as Asian Carp may now have infested the Great Lakes system - meaning the fight to contain the giant fish to the Mississippi river and its tributaries may have failed.