Yes, through Sept 30th 2018. IL residence only. Check the website for free days to see what other days are free for IL residents.
Yes order online for faster entry
The month of September is free for Illinois residents with valid ID.
It is. September is free admission. You still have to pay for parking.
It is free for the rest of September to all Illinois residents with a valid ID.
Not too sure, i went a little while back, but maybe call them and see :)
Yeah
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