Delaware - Architectural style - Greek Revival architecture
| Adams, Joseph T., House |
| Armstrong-Walker House |
| Arnold, George, House |
| Bank House |
| Bank of Newark Building |
| Betz, J. F., House |
| Biggs, Gov. Benjamin T., Farm |
| Brick Hotel |
| Buena Vista |
| Camden Historic District |
| Chelsea |
| Cochran Grange |
| Cool Spring Presbyterian Church |
| Cornucopia |
| Davis, Thomas, House |
| Deer Park Farm |
| Deer Park Hotel |
| Dodd Homestead |
| Draper-Adkins House |
| Egglinton Hall |
| Fairview |
| Fairview |
| Faucett, Peter S., House |
| Fell Historic District |
| Fisher Homestead |
| Fleming House |
| Frederica Historic District |
| Granite Mansion |
| Gyles, Stella Pepper, House |
| Hanson, B. F., House |
| Hedgelawn |
| Holton, S., Farm |
| Ivyside Farm |
| Judge's House and Law Office |
| Justis-Jones House |
| Lamb, Thomas, House |
| Linden Hill |
| Louviers |
| Lower Market Street Historic District |
| Maples |
| Mayfield |
| Monterey |
| North Milford Historic District |
| Old Customshouse |
| Old St. Paul's Methodist Episcopal Church |
| Pepper, Carlton, David, Farm |
| Peterson and Mustard's Hermitage Farm |
| Point Farm |
| Poplar Hall |
| Red Clay Creek Presbyterian Church |
| Richards Mansion |
| Robinson, Jesse, House |
| Rumsey Farm |
| Shallcross, Sereck, House |
| Sipple, Thomas, House |
| St. Georges Presbyterian Church |
| Todd's Chapel |
| Voshell, John M., House |
| Walnut Lane |
| Wesley M.E. Church |
| Weston |
| White Hall |
| Williams, James, House |
| Wilson, Edward R., House |
| Woodlawn |
| Woodley, Jonathan, House |
Data from United States Park Service and Wikidata
