Kentucky - Area of significance: European Heritage
| Austinburg Historic District |
| Barren Fork Coal Camp and Mine Archeological District |
| Barth, Peter, Farm |
| Baumann House |
| Bishoff House |
| Blau's Four Mile House |
| Blenk House |
| Braun, John, House |
| Butchertown Historic District |
| Butchertown Historic District |
| Camp Spring House |
| Clifton-McCraken Rural Historic District |
| Conrad-Seaton House and Archeological Site |
| Faha, John, House |
| German Evangelical Church of Christ Complex |
| Gubser-Schuchter Farm |
| Heiert Farm |
| Helentown Historic District |
| Hilbert Farm |
| Hopeful Lutheran Church |
| Kort Grocery |
| Kremer, Frederich, House |
| Kremer, Matthias, House |
| Kremer, Nicholas, House |
| Ort-Heeb Farm |
| Portland Proper |
| Reitman's St.Joseph House |
| Ritter, Andrew, Farm |
| Roth Farm |
| Salem Methodist Episcopal Church and Parsonage |
| Sauser Farm |
| Savoy Historic District |
| Second and Market Streets Historic District |
| St. Augustine Church Complex |
| St. Joseph Church |
| St. Joseph's Catholic Church and Cemetery |
| St. Joseph's District |
| Third and Jefferson Streets Historic District |
| Third and Market Streets Historic District |
| Trutschell House |
| Uebel House |
| Walter House |
| Weber, John, Farm |
Data from United States Park Service and Wikidata
