Ohio - Area of significance: European Heritage
| Andres, Charles, House |
| Birdtown Historic District |
| Birmingham Historic District |
| Bohemian National Hall |
| Broadway Avenue Historic District |
| Buckeye Commercial Historic District |
| East Toledo Historic District |
| Emmanuel's Evangelical Lutheran Church |
| Exaltation-Elevation of the Holy Cross Church |
| Gallagher Building |
| Goll Homestead |
| Holy Rosary Church |
| Hruby Conservatory of Music |
| Independent Order of Odd Fellows Temple |
| Irishtown Bend Archeological District |
| Jacob's Church |
| Joseph and Feiss Clothcraft Shops, The |
| Kossuth Colony Historic District |
| Lebol, John, House, Smokehouse and Springhouse |
| L. Hoster Brewing Company |
| Moreland Theater Building |
| Murray Hill School |
| Northern Ohio Blanket Mills |
| Oak Hill Welsh Congregational Church |
| Ohio Theatre |
| Olney, Charles, House and Gallery |
| Our Lady of Mount Carmel Church |
| Overmyer-Waggoner-Roush Farm |
| Over-the-Rhine Historic District |
| Rattermann, Heinrich A., House |
| Roas-Ilhardt Farm and Winery |
| Saint Anne's Hill Historic District |
| Saint Peter and Saint Paul Historic District-Oliver's Second addition |
| Salem Bear Creek Church, Salem Evangelical Lutheran Church |
| Schlee Brewery Historic District |
| Scranton South Side Historic District |
| Sedamsville River Road Historic District |
| Sidaway Bridge |
| St. Elizabeth's Magyar Roman Catholic Church |
| St. John The Baptist Roman Catholic Church |
| St. Louis Church |
| St. Mary's Girls Grade School |
| St. Peter Evangelical Lutheran Church |
| St. Peter's Lick Run Historic District |
| Sts. Peter & Paul Church and Rectory |
| Tosheff's Restaurant and Hotel |
| Tremont Historic District |
| Von Schulenburg, Ernst, House |
| Weizer Building |
| Weizer Building |
| Welsh Congregational Church |
| Yondota Historic District |
| Zoar Historic District |
Data from United States Park Service and Wikidata
