New Hampshire - Criteria: A (event)
| Parker's Store |
| Parsons Studio and Casino |
| Peabody, William, House |
| Pelham Library and Memorial Building |
| Pembroke Mill |
| Perry, Ivory, Homestead |
| Perry, John, Homestead |
| Peterborough Town House |
| Peterborough Unitarian Church |
| Philbrook Farm Inn |
| Pier Bridge |
| Pillsbury Memorial Hall |
| Piper, Solomon, Farm |
| Pittsfield Center Historic District |
| Plainfield Town Hall |
| Plaistow Carhouse |
| Pleasant View Home |
| Plummer Homestead |
| Plymouth Historic District |
| Porter, General, House |
| Portsmouth Athenaeum |
| Portsmouth Cottage Hospital |
| Portsmouth Downtown Historic District |
| Portsmouth Harbor Light |
| Portsmouth Public Library |
| Potter Place Railroad Station |
| Pottersville District |
| Pratt Family Camps |
| Protectworth Tavern |
| Pulpit Rock Base-End Station (N. 142) |
| Pumpelly Studio |
| Queensbury Mill |
| Raubold House |
| Raymond Boston and Maine Railroad Depot |
| Religious Society of Friends Meetinghouse |
| Remick, Capt. Enoch, House |
| Richards, Dexter, & Sons Woolen Mill |
| Richardson, Abijah, Sr., Homestead |
| Richardson, Deacon Abijah, House |
| Richardson, John, Homestead |
| Richmond School House No. 6 |
| Richmond Town Hall |
| Robbe, James, Jr., House |
| Robie's Country Store |
| Rochester Commercial and Industrial District |
| Rogers, George, House |
| Rollinsford Grade School |
| Rollinsford Town Hall |
| Rowell's Covered Bridge |
| Russell-Colbath House |
| Saint Anne Historic District |
| Salem Common Historic District |
| Salisbury Academy Building |
| Salmon Falls Mill Historic District |
| Samuel Morey Memorial Bridge, The |
| Sanbornton Square Historic District |
| Sandown Depot, Boston and Maine Railroad |
| Sawyer Building |
| Sawyers Crossing Covered Bridge |
| Sawyer Woolen Mills |
| Second Rindge Meetinghouse, Horsesheds and Cemetery |
| Shapley Town House |
| Shedd-Porter Memorial Library |
| Shepard Hill Historic District |
| Silver Lake District |
| Silver Lake Farm |
| Slate Covered Bridge |
| Smith-Mason Farm |
| Smith's Corner Historic District |
| Smyth Public Library |
| Smyth Tower |
| Somoresworth High School |
| South Meetinghouse |
| Spring Hill Farm |
| Spur House |
| Square Schoolhouse |
| St. Andrew's By-The-Sea |
| Stanley Tavern |
| St. Anne Church |
| Stark Covered Bridge |
| Stark, Gen. John, House |
| Stark Park |
| Stationmaster's House |
| Stevens Memorial Hall |
| St. Gaudens, Louis, House and Studio |
| St. George's School and Convent |
| Stone Arch Bridge |
| Stone-Darracott House |
| Stone Farm |
| Stonehenge |
| Stone School |
| Stonyfield Farm |
| Strafford County Farm |
| Strafford Union Academy |
| Strawbery Banke Historic District |
| Strong, Capt. Richard, House |
| Strongman, Henry, House |
| Strongman, William, House |
| Strong, Richard, Cottage |
| Sullivan County Courthouse |
Data from United States Park Service and Wikidata
