Maine - Area of significance: Landscape Architecture
| Back Cove |
| Beechnut Hut Historic District |
| Berwick Academy |
| Blackwoods Campground |
| Brave Boat Harbor Farm |
| Brunswick Square |
| Calais Residential Historic District |
| Capitol Complex Historic District |
| Capitol Park |
| Carriage Paths, Bridges and Gatehouses |
| Cate House |
| Center Meeting House and Common |
| Chestnut Street Historic District |
| Cover Farm |
| Dalton, Benjamin and Abigail, House |
| Deering Oaks |
| Dreamhome |
| Dyer, Isaac E., Estate |
| Eastern Promenade |
| East Main Street Historic District |
| Evergreen Cemetery |
| Farm House, The |
| Farmington Historic District |
| Fort McClary |
| Garland Farm |
| Godfrey-Kellogg House |
| Great Fire of 1911 Historic District |
| High Street Historic District |
| Hyde Mansion |
| Isles of Shoals |
| Jones, John Paul, Memorial Park |
| Kent Burying Ground |
| Lincoln Park |
| Lord Mansion |
| Low, Joseph W., House |
| Maine State House |
| McLaughlin House and Garden |
| Mequnticook Golf Club |
| Merrill-Poor House |
| Middle Intervale Meeting House and Common |
| Mount Desert Island Hiking Trail System |
| Mount Hope Cemetery District |
| Olmsted, Frederick Law, Summer Home |
| Pettegrove, Joshua, House |
| Pettengill House and Farm |
| Pownalborough Courthouse |
| Primrose Hill Historic District |
| Schoodic Peninsula Historic District |
| Seawall Campground |
| Sedgwick Historic District |
| Strathglass Park District |
| Vaughan Homestead |
| Western Promenade |
| Winthrop Street Historic District |
| Zions Hill |
Data from United States Park Service and Wikidata