Iowa is located in the Midwestern region of the US. Wisconsin and Illinois make up the eastern border, separated by the Mississippi River. Nebraska and South Dakota are to the West as is the Missouri River. Minnesota is to the north and the state of Missouri is to the South. Iowa's industry includes food processing, machinery, and chemical products. Iowa is the largest producer of ethanol. Des Moines, Iowa's capital, is the center of the insurance industry. Iowa was the birth place of former president, Herbert Hoover. Tourists can visit the Herbert Hover National Historic Site, Presidential Library and museum.