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Visit Dickson Mounds

Visit Lockport Gallery

Welcome to the Illinois State Museum

The Illinois State Museum System is open! Free admission will continue across all locations. Hours of operations are Tuesday through Saturday from 10:00 a.m. to 4:00 p.m. The Research and Collections Center is by appointment only Monday through Friday from 10:00 a.m. to 4:00 p.m. 

Please note: The Illinois State Museum has temporarily closed its second-floor archaeology exhibitions at its Dickson Mounds Museum in Lewistown, Illinois. All other aspects of Dickson Mounds’ exhibitions, programs, and grounds remain open and active. The Museum’s lobby, Discovery Center, third-floor gallery, and observation deck are open to visitors. Read more at

The Illinois State Museum inspires exploration of Illinois' past and present to inform and enrich everyday life and to promote stewardship of cultural and natural resources for the future. 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 Lockport. 

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Image of Research and Collections Center.

Click here to go to the ISM-Springfield landing page.
Illinois State Museum
502 South Spring Street
Springfield, IL 62706
(217) 782-7386
Tue-Sat: 10-4:00 p.m.

Follow this link to the ISM strategic plan

Dickson Mounds Building Image.
Dickson Mounds
10956 N. Dickson Mounds Rd.
Lewistown, IL 61542
(309) 547-3721
Tue-Sat: 10-4:00 p.m.


Image of Lockport Gallery building.
Lockport Gallery
201 West 10th Street
Lockport, IL 60441
(815) 838-7400
Tue-Sat: 10-4:00 p.m.