The U.S. and Canada jointly manage the waterway.
ABC7 got an exclusive first-hand look at the work being done to monitor the water of Lake Michigan to make sure it's safe to drink.
The U.S. Environmental Protection Agency is offering insight into their work on the Great Lakes on board Lake Guardian.
Chicago is now a cruise ship destination.
A former Navy sailor is said to have surveilled Naval Station Great Lakes in North Chicago as a new recruit, as well as Michigan Avenue, Chicago-area train stations and more as part of a terror plot, the ABC7 I-Team learned.
The reports detail plans on how best to preserve the Point's limestone block, stepped stone, revetment and promenade.