CHICAGO (WLS) -- The Shedd Aquarium has announced a list of free-entry days for the first half of the year.
Tuesday is the first day of free admission if you're an Illinois resident with a valid ID.
Online ticket reservations are available for those who would like to plan ahead with a $5 convenience fee per order.
Walk-up reservations are available, but they might sell out. To reserve tickets for free - call 312-939-2438 between 9 a.m. and 4 p.m.
To learn more about the exhibits, click here.