Welcome to the Illinois State Museum

The Illinois State Museum inspires discovery and caring about Illinois' cultural and natural resources and heritage. The Museum’s extensive collections and research activities provide the foundation for exhibitions and public programs that tell the story of the land, life, people, and art of Illinois.

The Illinois State Museum is headquartered in Springfield with branch facilities near Lewistown and in Lockport. 

Click here to go to the ISM-Springfield landing page.
Illinois State Museum
502 South Spring Street
(217) 782-7386
Mon-Sat: 9-4:30, Sun: 12-4:30
Dickson Mounds Building Image.
Dickson Mounds
10956 N. Dickson Mounds Rd.
(309) 547-3721
Daily: 9:00-4:30
Image of Lockport Gallery building.
Lockport Gallery
201 West 10th Street
(815) 838-7400
Wed-Fri: 9-5, Sat: 10-5, Sun: 11-5

Click here to go to the ISM-Research and Collections Center landing page.

Click here to support the Museum Society.

Click here to find information about Illinois State Museum events.

Click here to visit our YouTube Channel.