The Water Tower was built in the late 1860s ... Chicago is home to the Willis Tower, formerly known as Sears Tower, which is one of the largest skyscrapers in the world. The 110-story building ...

Happy birthday to the city of Chicago! ABC7 Chicago is now streaming 24/7. Click here to watch The city was officially founded on March 4, 1837. The video in the player above is from a previous report ...