visiting chicago this week, will Shedd Aquarium and Adler Planetarium be crowded on the free days?|||Not much difference in attendance but don't worry. Those 2 places won't have another free day until next week, the Shedd Aquarium on the 16th and the Adler Planetarium on the19th while the other museum in the campus will have its next one on the 18th. There are 15 other museums and places that are free everyday. See source below.|||There is always a crowd because schools always have field trips - the museums can handle the crowds. I never noticed a big difference on free days.

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