| ID | Name |
| 1 | Town Green |
| 2 | Site of Fourth Meeting House |
| 3 | Center District Area |
| 4 | Current Topics Club, c.1881 (Swedenborgian Church) |
| 5 | Col. Samuel Willard House, c.1727 |
| 6 | Site of Cyprian Stevens' Garrison House |
| 7 | Site of the Lancaster Elm |
| 8 | Five Corners |
| 9 | Site of the Third Meeting House |
| 10 | Old Common Burial Ground, 1716-1874 |
| 11 | Thomas Safford House, c.1799 |
| 12 | Lancaster Industrial School for Girls |
| 13 | Eastwood Cemetery (designed by Horace Cleveland), 1874-present |
| 14 | Atherton Bridge (parallel to Farnsworth Bridge) |
| 15 | Site of Rev. Joseph + Mary Rowlandson Garrison House |
| 16 | Middle Cemetery, 1798. More land added, 1842. |
| 17 | Old Settlers' Burial Yard, 1684 |
| 18 | Nathaniel Thayer Mansion, c.1846, 1903. AUC Thayer Performing Arts Center |
| 19 | Eugene Thayer Mansion, Fairlawn, White House, AUC, c.1888 |
| 20 | Atlantic Union College Campus |
| 21 | Southern New England Conference Bldg, Seventh Day Adventist HQ |
| 22 | Site of Ministerial Land |
| 23 | Site of the Thomas Sawyer Garrison House |
| 24 | Site of Sawyer Carter Mill |
| 25 | South Lancaster Engine House, c.1888 - Fire Station |
| 26 | Deershorn School House (One Room School House 1852-1925) |
| 27 | Site of Thomas Sawyer, Jr. Sawmill |
| 28 | Site of Gates Tavern |
| 29 | Deershorn Area - Sly's Corner Sign |
| 30 | New England Forest - Parker Family Forest |
| 31 | Rowlandson Rock |
| 32 | Bayard Thayer Estate, called Hawthorne Hill, Ayurveda Holistic Center, 1904 |
| 33 | John E. Thayer Mansion |
| 34 | New England Forest, Thayer Forest, Bull Hill Rd - Thayer Private Burial Ground |
| 35 | Site of Roper Garrison House |
| 36 | Site of Trucking House off Goss Lane |
| 37 | Crown Ledge Thayer Mansion, Trivium School, c.1903 |
| 38 | Town Pound |
| 39 | Blood Town Forest |
| 40 | Ballard Hill Conservation Area |
| 41 | Bartlett Pond site of Bartlett Chair Factory |
| 42 | Old Union Turnpike |
| 43 | Brick Tavern, c.1806 |
| 44 | North Burial Ground, c.1805 |
| 45 | Cook Conservation Area |
| 46 | Ponakin Village |
| 48 | Ponakin Bridge (Closed) |
| 49 | Site of the Shoeshank + Ponakin Mills |
| 49 | North Village |
| 50 | North Village Cemetery, earliest date: 1807; est. 1855 |
| 51 | Carter-Washburn House, c.1812 |
| 52 | Asa Arnold House, c.1828; Site of Beaman Oak |
| 53 | Pine Hill |
| 54 | Site of the Luther Burbank House (on South Post, Devens) |
| 55 | Anthony Lane House, c.1809 |
| 56 | Wheeler Hill - Culley Ski Doo Ranch Area |
| 57 | Bolton Fair Grounds at Lancaster |
| 58 | Site of Peter Joslin Garrison |
| 59 | General John Whiting House |
| 60 | Dr. Franklin Perkins School |
| 61 | Dexter Drumlin, Trustees of Reservations |