Iowa - Area of significance: European Heritage
| Amana Villages |
| Bell, John, Block |
| Bennedsen, Boldt, and Hansen Building |
| Bethany Danish Evangelical Lutheran Church |
| B'nai Jacob Synagogue |
| Bohemian Commercial Historic District |
| Bohemian Commercial Historic District |
| Brugjeld-Peterson Family Farmstead District |
| Bush, John D., House |
| Cassel, Carl and Ulrika Dalander, House |
| Church of St. John the Baptist |
| Danish Lutheran Church |
| East Des Moines Commercial Historic District |
| First Welsh Congregational Church |
| Foster Park Historic District |
| Gannon, M. V., House |
| Greek Orthodox Church of Saint George |
| Hamburg Historic District |
| Hamburg Historic District |
| Hansen, Andrew P., Farmstead |
| Hauschild's Hall |
| Helvig-Olson Farm Historic District |
| Hibernia Hall |
| Holy Trinity Greek Orthodox Church |
| Hult, Charles E., House, Summer Kitchen and Wood Shed |
| Immanuel Danish Evangelical Lutheran Church |
| Ingemann Danish Evangelical Lutheran Church and Cemetery |
| Iowa Reform Building |
| Janko, Jan F. and Antonie, Farmstead District |
| Johnson, George, House |
| Jorgensen, Hans J., Barn |
| Kimballton Commercial District |
| Kimballton West 2nd-West 3rd Street Residential District |
| Koch, Hans M., House |
| Kvindherred Lutheran Church, School and Cemetery |
| Larsen, Chris, House |
| Larsen, Jens T., House |
| Lesinger Block |
| Lisbon Main Street Historic District |
| Luther College Campus Historic District |
| Manning Commercial Historic District |
| Mount Sinai Temple |
| Northwest Davenport Turner Society Hall |
| Oak Hill Cemetery Historic District |
| Pine Mills German Methodist Episcopal Church |
| Podhajsky-Jansa Farmstead District |
| Poldberg, Chris, Farmstead |
| Poplar Rural District |
| Rewerts, George, House |
| Sacred Heart Roman Catholic Cathedral Complex |
| Saengerfest Halle |
| Saint Boniface Catholic Church District |
| Saint Irenaeus Church |
| Saint Patrick's Roman Catholic Church |
| Saints Peter and Paul Catholic Church |
| Saints Peter and Paul Roman Catholic Church Historic District |
| Schindhelm-Drews House |
| Schrup, John and Marie (Palen) Farmstead Historic District |
| Sharon, Fred B., House |
| Shimek, Bohumil, House |
| Sokol Gymnasium |
| St. Boniface Catholic Church |
| St. John's Lutheran Church |
| St. Joseph's Catholic Church |
| St. Joseph's Roman Catholic Church and Cemetery Historic District |
| St. Mary's Catholic Church Historic District |
| St. Michael's Church, Cemetery, Rectory and Ancient Order of Hibernians Hall |
| St. Patrick's Church |
| Swedesburg Historic Commercial District |
| Swedish Baptist Church |
| Swedish Evangelical Lutheran Augustana Church |
| Swedish Evangelical Lutheran Church |
| Turner Hall |
| Village of St. Donatus Historic District |
| Waterloo Ridge Menigheds Kirke og Kirkegard Historic District |
| West Paint Creek Synod Evangelical Lutheran Church and Cemetery |
| West Third Street Historic District |
| Wilton Candy Kitchen |
| Zalesky, Frank E. and Katie (Cherveny), House |
Data from United States Park Service and Wikidata
