Cost: Free

Organizer: City of Chicago

What to expect: Kids can join in on the fun by marching in costume at this annual extravaganza. After the parade finishes, there's trick-or-treating, a performance by Midnight Circus and a costume contest.

Additional info: The parade runs south on State Street to Monroe, then west on Monroe to Dearborn, then north on Dearborn to Daley Plaza at Washington and Dearborn.