National Register of Historic Places listings in Iowa
This is a list of properties and historic districts in Iowa that are listed on the National Register of Historic Places. There are listings in all of Iowa's 99 counties, adding up to over 2,300 total.
Snake Alley, in Des Moines County
Lock and Dam No. 14 Historic District, in Scott County
Grotto of the Redemption, in Palo Alto County
Merchants' National Bank in Poweshiek County, designed by Louis Sullivan
Adams County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 3,704, making it Iowa's least-populous county. Its county seat is Corning.
Adams County Courthouse in Corning