UPLOAD COSTUME PHOTOS:  Have you seen some great Halloween costumes today?  Share your photos! »


The Chicago skyline featuring Willis Tower. (credit: TIM SLOAN/AFP/Getty Images)

A Lot Has Changed Since Chicago’s Founding

Chicago is celebrating its 174th birthday today. Needless to say, the city looked a little different when it was first incorporated in 1837.

CBS Chicago–03/04/2011