The Harley-Davidson Museum is an American museum located in Milwaukee, Wisconsin celebrating the more than 100-year history of Harley-Davidson motorcycles. The 12,000-square-meter three-building complex on 81,000 square meters along the Menomonee River bank contains more than 450 Harley-Davidson motorcycles and hundreds of thousands of artifacts from the Harley-Davidson Motor Company's 120-year history.