From NBC Chicago:

From the day the first French explorers arrived in what would become Chicago, human beings have tried to mold Lake Michigan into a more user-friendly body of water.

Grant and Millennium Parks sit in what used to be open water, filled in a hundred years ago by city fathers anxious to give Chicago a magnificent front yard. And up and down the lakefront, repeated modifications have been made in an effort to corral the lake’s fury. Read more and watch the video.