Chicago, on Lake Michigan front in Illinois, is among the largest cities in the U.S. Famed for its bold architecture, it has a skyline punctuated by skyscrapers such as the iconic John Hancock Center, 1,451-ft. Willis Tower, formerly the Sears Tower, and the neo-Gothic Tribune Tower. With a history rich in past and present sports franchises, the metro area has 7 professional sports teams in NFL, NBA, NHL, MLB, and MLS sports leagues.