Maine - Area of significance: Religion
| Abyssinian Meeting House |
| Acadian Landing Site |
| Alfred Shaker Historic District |
| Alna Meetinghouse |
| Bangor Theological Seminary Historic District |
| Bingham Free Meetinghouse |
| Castine Historic District |
| Cathedral of the Immaculate Conception |
| Clark, Edmund and Rachel, Homestead |
| Cottrill, Matthew, House |
| East Harpswell Free Will Baptist Church |
| East Machias Historic District |
| Elder Grey Meetinghouse |
| First Baptist Church |
| First Congregational Church and Parsonage |
| First Parish Church |
| First Parish Meetinghouse |
| Free Will Baptist Meetinghouse |
| Friends Meetinghouse |
| German Church and Cemetery |
| Green Memorial A.M.E. Zion Church |
| Harraseeket Historic District |
| Harrington Meetinghouse |
| Hathorn Hall, Bates College |
| Head Tide Historic District |
| Hodgdon Site |
| Jonathan Fisher Memorial |
| Jones, Abel, House |
| Jones, Eli and Sybil, House |
| Kellogg, Elijah, Church |
| Kellogg, Elijah, House |
| Ludwig, Godfrey, House |
| Mariner's Church |
| Marrett, Daniel, House |
| Montville Town House |
| New Gloucester Historic District |
| North Yarmouth and Freeport Baptist Meetinghouse |
| Ocean Park Historic Buildings |
| Old Point and Sebastian Rale Monument |
| Old Union Meetinghouse |
| Our Lady of Mount Carmel Catholic Church |
| Pendle Hill |
| Pond Meeting House |
| Porter Old Meetinghouse |
| River Meetinghouse |
| Salem Town House (Former) |
| Shiloh Temple |
| Smith, Parson, House |
| South China Meeting House |
| Spurwink Congregational Church |
| St. Anne's Church and Mission Site |
| St. Cyril and St. Methodius Church |
| St. David Catholic Church |
| St. Denis Catholic Church |
| St. John's Anglican Church and Parsonage Site |
| St. John's Catholic Church |
| St. Patrick's Catholic Church |
| Temple, The |
| Williston-West Church and Parish House |
| Winterport Congregational Church |
Data from United States Park Service and Wikidata
