Free days at Shedd Aquarium for Illinois residents starts today
CHICAGO (CBS) -- Free days at the Shedd aquarium have returned .
This current run starts today and goes through Monday, Jan. 16.
If you want to go, you will have to reserve tickets online. Walk-ups are not available.
If you can't make it out this time around the next free days will take place next month every Tuesday through Thursday, starting Feb. 7.
