The first Ferris wheel made its debut in Chicago at the 1893 World's Columbian Exposition. Today, Navy Pier is home to a 15-story Ferris wheel, modeled after the original one.
Walt Disney was born in Chicago in 1901. He studied drawing at Chicago's McKinley High School and the Institute of Fine Arts.
In 1900, Chicago successfully completed a massive and highly innovative engineering project — reversing the flow of the Chicago River so that it emptied into the Mississippi River instead of Lake Michigan. Each year, the Chicago River is dyed green to celebrate St. Patrick's Day.
Chicago is home to 77 community areas containing more than 100 neighborhoods.