(World’s Largest Hamburger) in Seymour, Outagamie County, WI. MI55 (Main St.) S. 0.2 miles from jct with Pearl St., E. on Depot St. 0.1 miles to the hamburger on the S. side of the road. Fberglass replica of the world’s largest hamburger, as listed in the Guinness Book of world records, that was grilled here on 8-5-89 and weighed 5,520 pounds. (6-27-09, N44 30.740 W88 19.673) Photos by Mark & Gordie Comstock & Larry Baker.