Ohio - Area of significance: Art
| Alcazar Hotel |
| Antioch College Fine Arts Building |
| Bappert, Joseph and Cecilia, House |
| Baughman Memorial Park |
| Burchfield Homestead |
| Butler Institute Of American Art |
| Christy, Howard Chandler, Art Studio |
| Cincinnati Union Terminal |
| Classic Theater |
| Cleveland Mall |
| Cleveland Public Square |
| Cleveland Trust Company |
| Clifton Methodist Episcopal Church |
| Colony Burying Ground, Old |
| Columbus Gallery of Fine Arts |
| Congregational Church Of Austinburg |
| Davidson, Tyler, Fountain |
| Dayton Art Institute |
| Dentzel, William H., 1924 Carousel |
| Edwards, John, House |
| Euclid Avenue Christian Church |
| Fairview Community Park Historic District |
| Garfield, President James A., Memorial |
| Griffin, A. B.,-O. H. Griffin House |
| Groesbeck, Grace, House |
| Hangar, The |
| Harvey, Eli, House |
| Hayesville Opera House |
| Holy Cross Lithuanian Roman Catholic Church |
| Inscription Rock |
| Leo Petroglyph |
| Libbey, Edward D., House |
| Linaweaver, Dr. Albert, House |
| Lost Lane Farm |
| Madison Avenue Historic District |
| Maria Stein Catholic Church and Rectory |
| Masonic Temple Building |
| Mater Dei Chapel |
| McClelland, Harry S., House |
| McIntire Terrace Historic District |
| McKinley Memorial |
| Most Pure Heart Of Mary Church |
| Oakwood Cemetery Chapel |
| Ohio One-Ohio Edison |
| Ohio State Office Building |
| Old Federal Building and Post Office |
| Old West End District |
| Olney, Charles, House and Gallery |
| Palace Theater |
| Pierce, Elijah, Properties |
| Pitman, Ben, House |
| Playhouse Square Group |
| Rockefeller Park and Cleveland Cultural Gardens Historic District |
| Rookwood Pottery |
| Soldiers' and Sailors' Memorial Chapel |
| Soldiers and Sailors Monument |
| Somerset Historic District |
| St. John's Episcopal Church |
| St. Paul's Episcopal Church of East Cleveland |
| St. Stanislaus Church |
| St. Stephen Church |
| Taft Museum |
| Toronto World War I Momument |
| Trinity Cathedral |
| Union Cemetery-Beatty Park |
| Vitrolite Building |
| Wade Park District |
| Wallischeck Homestead |
| Ward, John Q. A., House |
| Warther Family Home and Museum |
| Washington Cemetery Historic District |
| Water Street Commercial Buildings |
| Woodland Cemetery Association of Dayton Historic District |
| Zoar Historic District |
Data from United States Park Service and Wikidata