Source: Tourism MediaIowa State UniversityvärldenNordamerikaUSAStory CountyIowaAmesIowa State University
Source: Tourism MediaIowa State UniversityvärldenNordamerikaUSAStory CountyIowaAmesIowa State University
Source: Tourism MediaPutnam MuseumvärldenNordamerikaUSAScott CountyIowaQuad CitiesDavenportPutnam Museum
Source: Tourism MediaState Historical Society of Iowa MuseumvärldenNordamerikaUSAIowaDes MoinesHistoric East VillageState Historical Society of Iowa Museum
Source: Tourism MediaIowa State UniversityvärldenNordamerikaUSAStory CountyIowaAmesIowa State University
Source: Tourism MediaHerbert Hoover National Historic SitevärldenNordamerikaUSAIowaCedar Rapids - Iowa CityWest BranchHerbert Hoover National Historic Site