Chicago Botanic Garden
2008 attendance: 737,860
2008 student visits: 17,230
Free every day

National Museum of Mexican Art
2008 attendance: 171,695
2008 student visits: 48,265
Free every day

The Peggy Notebaert Nature Museum
2008 attendance: 211,641
2008 student visits: 45,307
2009 free days: 52

The Field Museum
2008 attendance: 1,390,896
2008 student visits: 256,403
2009 free days: 52

Museum of Science and Industry
2008 attendance: 1,419,673
2008 student visits: 260,877
2009 free days: 52

Chicago Zoological Society/Brookfield Zoo
2008 attendance: 2,076,048
2008 student visits: 244,429
2009 free days: 27

The Art Institute of Chicago
2008 attendance: 1,397,363
2008 student visits: 120,547
2009 free days: 68

Adler Planetarium
2008 attendance: 414,995
2008 student visits: 61,313
2009 free days: 52

Museum of Contemporary Art
2008 attendance: 285,982
2008 student visits: 15,618
2009 free days: 52

DuSable Museum of African American History
2008 attendance: 176,538
2008 student visits: 19,974
2009 free days: 52

John G. Shedd Aquarium
2008 attendance: 1,864,863
2008 student visits: 285,299
2009 free days: 52

Chicago Children’s Museum
2008 attendance: 450,000
2008 student visits: 92,541
2009 free days: 12 days

Lincoln Park Zoo
2008 attendance: 3,000,000
2008 student visits: 140,000
Free every day

Chicago History Museum
2008 attendance: 265,991
2008 student visits: 53,104
2009 free days: 52