This is the Springfield that "The Simpsons" creator Matt Groening used as the basis for the hometown of his characters so, of course, the museum must have a giant Homer, Marge and little Simpsons! Apparently people come from all over just to sit on the couch and get their picture taken. The museum has changing exhibits on the first floor and historical displays about the city plus the Simpsons statues on the second floor.
The museum is accessible. The elevator to access the second floor is located outside. Exit at the rear of the building to get to it. The museum staff must be notified so that they can unlock the door on the second floor but you’ll be able to go back out to the elevator whenever you wish without setting off any alarms.
If you’re driving a RV DO NOT turn onto 6th Street. There’s a low underpass without a place to turn around. 5th Street has on-street parking with enough room for RVs. The sidewalks and curb cuts are good. Museum