Where was Wisconsin Death Trip filmed?

1999 film by James Marsh

Wisconsin Death Trip (1999) was filmed in Milwaukee, Green Bay, Appleton, Cassville and Eagle, 5 places named in its Wikipedia article's Filming section, in the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per Wikipedia's Filming section

Wikipedia’s Filming section names 5 places. Each links to the sentence that says so.