Iowa - Architectural style - Italianate architecture
| Albright House |
| Allen House |
| Ambler, Henry, House |
| Anthony, Horace, House |
| Bassnett-Nickerson House |
| Bell, John, Block |
| Bloedel, Christian, Wagon Works |
| Boerner-Fry Company/Davis Hotel |
| Booth, Edmund and Mary Ann Walworth, House |
| Braska House |
| Brazelton House |
| Brazelton House Hotel |
| Brooklyn Hotel |
| Brown, Corydon, House |
| Budd, Prof, J.L., Sarah M., and Etta Budd, House |
| Burdick, Anthony, House |
| Burlington and Missouri River Railroad Passenger Station |
| Burnett-Montgomery House |
| Burr Oak Savings Bank |
| Cannon, Wilbur D. and Hattie, House |
| Clark, Alexander, House |
| Clark House |
| College Block Building |
| Cooley-Whitney House |
| Cooper, George and Margaret, House |
| Corning Opera House |
| Cowles, George H and Alice Spaulding, House |
| Darwin, Mary, House |
| Davison, Abner, House |
| Decker House Hotel |
| Dodge, Augustus Caesar, House |
| Dunn, William and Phebe C., House |
| Elbert-Bates House |
| Elgin Block, The |
| Farwell, S. S., House |
| Fay, Pliny and Adelia, House |
| Foley, John, House |
| Forest Grove School No. 5 |
| Former US Post Office Building |
| Franklin County Sheriff's Residence and Jail |
| Fuller, W. Joseph, House |
| G.A.R. Memorial Hall |
| Granger House |
| Harlan House Hotel |
| Hawkeye Insurance Company Building |
| Hays, E. R., House |
| Hebard, Alfred, House |
| Henry County Savings Bank |
| Henshie-Briggs Row House |
| Hoag, J. J., House |
| Horn House |
| Horton-Suiter House |
| Hotel Tipton |
| I.O.O.F. (International Order of Odd Fellows) Valley Junction Lodge Hall No. 604 |
| Jefferis, Thomas, House |
| Klondike Hotel |
| Kurtz House |
| Lane, Samuel M., House |
| LeClaire, Antoine, House |
| Lesinger Block |
| Letovsky-Rohret House |
| Long, J. G. and Regina, House |
| Lucas County Courthouse Square Historic District |
| Maas Commercial Building |
| Maish House |
| Manatt, William, House |
| Martin, Dr. G. S., House |
| Martin, S. F., House |
| McCandless Building |
| Melcher, Dennis Melcher, Pottery and House |
| Montauk |
| Netcott-Pfeiffer House |
| Norton, Charles Henry and Charlotte, House |
| Oakes-Wood House |
| Ormsby-Kelly House |
| Osceola Masonic Block |
| Oversen, Julius and Anine House |
| Perrigo-Holmes House |
| Pratt, A. W., House |
| Purdy, Eliphalet W. and Catherine E. Jaquish, House |
| Reeves, Isaac and Agnes (Bells), House |
| Renken, Renke and Wubke, House |
| Russell, Rensselaer, House |
| Schlapp, George E., House |
| Siebels' Department Store-Boyer Valley Bank |
| Smith, Alvord I., House |
| Smith Farmhouse |
| Smith, Peter and Mary, House |
| Snowden House |
| St. Luke's Hospital |
| Stuckslager, Harrison, House |
| Sturdivant-Sawyer House |
| Tama County Jail |
| Taylor, Wenzil, Building |
| Tedford, W. H., House |
| Timmerman-Burd Building |
| Town Clock Building |
| Vermilion Estate |
| Vernon School |
| Voorhees, John K., House |
Data from United States Park Service and Wikidata
