Iowa State Capitol in Des Moines, Iowa
The Iowa State Capitol is located in Des Moines at East 9th Street and Grand Avenue. The building was constructed between 1871 and 1886. It is the only five domed state capitol in the country.
Both front and back porticoes have pediments supported by six Corinthian columns each. The dome of the capitol is gilded in tissue-paper thin sheets of pure 23-karat gold, and is 275 feet (84 m) tall.
Iowa State Capitol.