Varied Industries Building (Des Moines, Iowa)

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Built in 1911 and completely rebuilt in 2000-2002, the Varied Industries Building offers more than 110,000 sq. ft. of prime exhibitor space. It is the state’s largest enclosed, single-level exhibit facility. One of the most used facilities on the Fairgrounds, during the Fair it is jammed with a wide variety of products and services, from seed corn to grand pianos. The three-year renovation included removing 25 interior pillars, replacing the concrete floor, plus heating and air-conditioning the building for year-round use. Originally called the Machinery Building due to its tractor and engine exhibitors, it is now named after Des Moines businessman William C. Knapp, whose contribution launched the rebuilding effort.