The small town in central Wisconsin where Ed Gein is famed to have committed his travesties (i.e. killing two women, digging up bodies, making several trophies out of human skin, including a female bodysuit that he danced in).
Also portions of Werner Herzog's movie Stroszek were filmed here.
Besides that, it's pretty plain.
Gary: Hey, should we stop by Plainfield to see Ed Gein's house?
Bob: Didn't you know his house burned down when he was in trial?
Gary: Oh, well then never mind.