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!
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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...
African-American Cultural & Genealogical Society of Illinois Museum
Decatur
Located near Downtown Decatur, the African-American Cultural & Genealogical Society of IL Museum promotes and preserves the study of African-American history.
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Governor Oglesby Mansion History Museum
Decatur
Experience a piece of Decatur, IL history with a tour of this amazingly restored mansion.
Read more about Governor Oglesby Mansion History Museum
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…
Read more about The Staley Museum