Chicago, Ill., incorporated in 1837. As the economical hub of the Midwest, Chicago occupies 237 square miles, including 26 miles of shoreline along Lake Michigan.
With an estimated 2.7 million residents, the Windy City is the third-largest city in the United States, behind New York City and Los Angeles. More than 48 million tourists visit Chicago each year, taking in the city's numerous theatres, art galleries and more than 4,700 restaurants. The city is also home to five major professional sports teams, including the Chicago Cubs. The Cubs play at the historical Wrigley Field, which is the second-oldest park in Major League Baseball.