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...
Tyrus Planet; Tyrus Comedy Tour at the Decatur Civic Center
Decatur Civic Center • Feb 27 @ 7:30PM
Get ready for the all-new 2026 PlanetTyrus Tour, featuring Fox News Channel contributor, comedian, wrestling superstar, and two-time bestselling author, Tyrus, live on stage.
Read more about Tyrus Planet; Tyrus Comedy Tour at the Decatur Civic Center
Pride of the Prairie Spring Marble Show
Garner by IHG • Apr 01 – Apr 04 @ 8AM
Celebrate color, craftsmanship, and nostalgia at the Pride of the Prairie Spring Marble Show—a one-of-a-kind event held in Decatur, Illinois!
Read more about Pride of the Prairie Spring Marble Show
Decatur Comic-Con 3
Decatur Civic Center • Apr 11 – Apr 12 @ 10AM
Midwest Toy & Comic Fest brings fans to Decatur for a high-energy weekend packed with celebrity guests, cosplay, collectibles, and pop culture fun for all ages.
Read more about Decatur Comic-Con 3You might also be interested...
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Decatur
Experience a piece of Decatur, IL history with a tour of this amazingly restored mansion.
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The Staley Museum
Decatur
A.E. Staley was a big man with big dreams and had the determination to make those dreams a reality. Although he did not arrive on…
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James Millikin Homestead
Decatur
Historic home of Mr. & Mrs. James Millikin, open for tours & special events and available for rental.
Read more about James Millikin Homestead