Maine - Area of significance: Politics/Government
| Acadian Landing Site |
| Albany Town House |
| Alfred Historic District |
| Andover Hook and Ladder Company Building |
| Andrews, Lt. Robert, House |
| Androscoggin County Courthouse and Jail |
| Aroostook County Courthouse and Jail |
| Auburn Commercial Historic District |
| Augusta City Hall, Former |
| Belfast Historic District |
| Benton Grange #458 |
| Biddeford City Hall |
| Blaine, James G., House |
| Bowman-Carney House |
| Bremen Town Hall, Former |
| Brick House Historic District |
| Bridgewater Town Hall and Jail |
| Broad Street Historic District |
| Broadway Historic District |
| Calais Historic District |
| Capitol Complex Historic District |
| Carr, Robert P., House |
| Center Meeting House and Common |
| Chestnut Street Historic District |
| China Village Historic District |
| Clark, Edmund and Rachel, Homestead |
| Cliffwood Hall |
| Coburn, Gov. Abner, House |
| Connor-Bovie House |
| Cony, Gov. Samuel, House |
| Corinth Town Hall and Corinthian Lodge #59, I.O.O.F. |
| Damariscotta Baptist Church |
| Dixmont Town House |
| Dresden Town House |
| Dudley's Corner School House |
| East Eddington Public Hall |
| Embden Town House |
| Farmington Historic District |
| First Parish Church |
| Former Town Office and Jail |
| Franklin Towers |
| Fryeburg Registry of Deeds |
| Fryeburg Town House, Former |
| Frye, Sen. William P., House |
| Gould House |
| Grand Army Memorial Home |
| Greenwood Town Hall, Former |
| Hamlin, Hannibal, House |
| Hammond, Edward J., Hall |
| Hancock County Jail |
| Hartford Fire Station |
| Hill, Gov. John F., Mansion |
| Hobbs, Thomas, Jr., House |
| Holden Town Hall |
| Holland-Drew House |
| Holmes-Crafts Homestead |
| Holmes, Sen. John, House |
| Huse, John E.L., Memorial School |
| Jarvis, Col. Charles and Mary Ann, Homestead |
| Jefferson Town House |
| Jonas Cutting-Edward Kent House |
| Kavanagh, Gov. Edward, House |
| King, Gov. William, House |
| Kinsley, Martin, House |
| Leighton, Adam P., House |
| Lightship No. 112, NANTUCKET |
| Limington Historic District |
| Lincoln Street Fire Station |
| Lovell Meeting House |
| Maine State House |
| Main Street-Frye Street Historic District |
| Mallett Hall |
| Manley, Joseph and Susan, Summer Cottage |
| Mansion House, The |
| Mariner's Church |
| Martel, Dr. Louis J., House |
| McCobb-Hill-Minott House |
| Mitchell House |
| Monson Engine House (Former) |
| Monticello Grange #338 |
| Montville Town House |
| Morrill, Lot, House |
| Norlands, The |
| Old Town House |
| Otisfield Town House (Former) |
| Paris Hill Historic District |
| Parsons, Stephen, House |
| Pemaquid Restoration and Museum |
| Pepperrell, William, House |
| Pike, LeRoy F., Memorial Building |
| Portland Club |
| Pownalborough Courthouse |
| Primrose Hill Historic District |
| Pythian Opera House |
| Reed, Thomas Brackett, House |
| Rumford Center Meeting House |
| Saco Central Fire Station |
| Saco City Hall |
| Saco Historic District |
| Sagamore Village Historic District |
Data from United States Park Service and Wikidata
