Hieronymus Mueller Museum
420 W. Eldorado St., Decatur, IL 62521
Museums
Located on Mueller Company grounds, the museum celebrates the accomplishments of inventor Hieronymus Mueller, Decatur's "Unsung Genius" and holder of over 500 patents.
What's happening nearby...

Twitty & Lynn at The Lincoln Square Theater
Lincoln Square Theater • Apr 24 @ 7PM
Twitty & Lynn: A Salute to Conway & Loretta
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"That's What She Said 2025" at the Lincoln Square Theater
Lincoln Square Theater • Apr 25 @ 7PM
The Heart of Illinois Community Foundation is proud to announce: "That's What She Said 2025" Presented by Hickory Point Bank & Trust at the Historic Lincoln…
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70's Bell Bottoms vs. 80's Big Hair at the Lincoln Square Theater
Lincoln Square Theater • Apr 26 @ 7PM
Get ready for a night of unforgettable music as the '70's Bell Bottoms vs. 80's Big Hair' showdown comes to the Lincoln Square Theater.
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Governor Oglesby Mansion History Museum
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Experience a piece of Decatur, IL history with a tour of this amazingly restored mansion.
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