Enjoy free days at Chicagoâ€™s world-class art, culture and history museums. The “Museum Campus” institutions – Field Museum, Shedd Aquarium, and Adler Planetarium – offer free days on Mondays and Tuesdays, September through February. The Museum of Science and Industry offers free admission Mondays and Tuesdays, August through December. Mondays are free at the Chicago History Museum and Tuesdays are free at the Art Institute of Chicago, the Museum of Contemporary Art and the Terra Museum of American Art. Thursdays are free at the Chicago Childrenâ€™s Museum and Peggy Notebaert Nature Museum. Fridays are free at the Spertus Museum. The Peace Museum, the Smith Museum of Stained Glass and the Museum of Contemporary. Photography are always free!