The Harley-Davidson Museum is a North American museum near downtown, Milwaukee, Wisconsin celebrating the more than 100-year history of Harley-Davidson motorcycles. The 130,000-square-foot (12,000 m2) three building complex on 20 acres (81,000 m2) 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 110-year history. The museum attracts an estimated 300,000 visitors annually.