The Marathon County Fairgrounds are located in Wausau, Wisconsin. In 1980, the site was added to the National Register of Historic Places.[1][2]
The county fair, now known as the Wisconsin Valley Fair, has been held at the site since 1868.[3] It features a stock judging pavilion (pictured) that was designed by Alexander C. Eschweiler and built in 1921.[1] Other features on the site include a carousel, a kids' train, a curling club and campgrounds.