BrewLights at Lincoln Park Zoo

ZooLights is a free event hosted by the Lincoln Park Zoo with over two million lights that illuminate the park. Within the event is BrewLights, where adult guests have access to draft beer samples and purchase food and their favorite brews.  All proceeds from the event help keep Chicago’s landmark zoo open and free to the public 365 days a year.
$35/person.
More information here.
Lincoln Park.