Maine - Constructed - 1890–1899
| Androscoggin Swinging Bridge |
| Augusta City Hall, Former |
| Bangor Standpipe |
| Bangs, Algernon, House |
| Bennett Bridge |
| Clary Mill |
| Cliffwood Hall |
| Cousins Island Chapel |
| Cuckolds Light Station |
| Doubling Point Light Station |
| Doughty Block |
| (Former) Maine Central Railroad Depot |
| Garcelon, A. A., House |
| Goodwin, Edmund E., House |
| Goose Rocks Light Station |
| Great Duck Island Light Station |
| Gushee Family House |
| Ingraham, Charles H., Cottage |
| Jordon, Col, Meltiah, House |
| Journal Building |
| Kennebec River Light Station |
| Lamb Block |
| Leavitt, A. B., House |
| Lewiston City Hall |
| Lubec Channel Light Station |
| Maine Industrial School for Girls Historic District |
| Maine State Building |
| Moody Mansion |
| Ogunquit Memorial Library |
| Perkins Island Light Station |
| Philler Cottage |
| Pittsfield Universalist Church |
| Pythian Opera House |
| Raventhorp |
| Robertson Quarry Galamander |
| Ropes End |
| Spring Point Ledge Light Station |
| Squirrel Point Light Station |
| Swedish Lutheran Church |
| Turrets, The |
| Vickery Building |
| Waterville Opera House and City Hall |
| Whitlocks Mill Light Station |
| Winter, Amos G., House |
Data from United States Park Service and Wikidata