Chicago Botanic Garden
2010 attendance: 904,864
2010 student visits: 25,322
Free every day

National Museum of Mexican Art
2010 attendance: 161,273
2010 student visits: 39,764
Free every day

The Peggy Notebaert Nature Museum
2010 attendance: 257,562
2010 student visits: 47,580
2010 free days: 52

The Field Museum
2010 attendance: 1,221,354
2010 student visits: 195,312
2010 free days: 52

Museum of Science and Industry
2010 attendance: 1,481,352
2010 student visits: 322,863
2010 free days: 52

Chicago Zoological Society/Brookfield Zoo
2010 attendance: 2,283,065
2010 student visits: 204,329
2010 free days: 27

The Art Institute of Chicago
2010 attendance: 1,612,780
2010 student visits: 106,183
2010 free days: 68

Adler Planetarium
2010 attendance: 443,778
2010 student visits: 58,594
2010 free days: 52

Museum of Contemporary Art
2010 attendance: 261,850
2010 student visits: 15,446
2010 free days: 52

DuSable Museum of African American History
2010 attendance: 134,343
2010 student visits: 21,618
2010 free days: 52

John G. Shedd Aquarium
2010 attendance: 2,063,694
2010 student visits: 293,127
2010 free days: 52

Chicago Children’s Museum
2010 attendance: 396,140
2010 student visits: 71,426
2010 free days: 12 days

Lincoln Park Zoo
2010 attendance: 3,000,000
2010 student visits: 140,000
Free every day

Chicago History Museum
2010 attendance: 215,931
2010 student visits: 50,209
2010 free days: 52