Chicago is the largest city in the Midwestern U.S. state of Illinois, as well as the third most populous city in the United States. Known as the "Second City," the "Windy City," the "City of Big Shoulders," and "Chi-town". Chicago is located along the southwestern shore of Lake Michigan. When combined with its suburbs and nine surrounding counties in Illinois, Wisconsin, and Indiana, the greater metropolitan area known as Chicagoland encompasses a population of nearly 10 million people.

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Most pictures in this slide show were taken from the cruise ship touring the Chicago river and the Chicago harbor on the Michigan lake.