All - Constructed - 1950–1959
| Ooten House |
| Orchard Terrace Apartments |
| Ott, David and Marianne, House |
| Outen, R.F., Pottery |
| Paine House |
| Palisade Interstate Parkway |
| Parker, C.W., Carousel No. 825 |
| Parks-Cramer Company Complex, Former |
| Parque de Bombas Maximiliano Merced |
| Pea Ridge National Military Park |
| Peterson, Seth, Cottage |
| Philadelphia High School for Girls |
| Pioneer Deep Space Station |
| Poker Jim Butte Fire Lookout |
| Ponce YMCA Building |
| Price Tower |
| Priester Building, The |
| Pu'uhonua O Honaunau National Historical Park |
| Quarry Visitor Center |
| Ritcher House |
| Rochester Heights Historic District |
| Rock Cliff Farm |
| Rocky Flats Plant |
| Rose, James, House |
| Russell, Charles M., House and Studio |
| Sacred Heart Church |
| Saginaw News Building |
| Sanchez, Francisco Q., Elementary School |
| Santa Fe Depot |
| Schiller, Alfred A.,House |
| Seagram Building |
| Simms Building |
| Sitting Bull Monument |
| Small House |
| Smith, Richard C., House |
| Sollner-Wall House |
| Southern Asbestos Company Mills |
| South Park City Museum |
| Space Launch Complex 10 |
| Springfield Center Elementary School |
| Spud Drive-In Theater |
| S.R. Crown Hall |
| Stein House |
| Steptoe Battlefield Site |
| St. John's Cathedral |
| St. John's Lutheran Church |
| St. John's Lutheran College Girls Dormitory |
| St. Michael and All Angels Episcopal Church |
| St. Monica's Church |
| Stonebrook |
| Stone Hedge |
| Stradal House |
| Strawbery Banke Historic District |
| Supreme Court Building |
| Teater, Archie, Studio |
| Temple, The |
| Tepee, The |
| Thorpe, Alfred and Olive, Lustron House |
| Totem Bight State Historic Site |
| Town House Hotel |
| Truman, Harry, Birthplace Memorial |
| Unitary Plan Wind Tunnel |
| University Heights Campus (Bronx Community College of The City University of New York) |
| US 31-Pentwater River Bridge |
| U.S. Atomic Energy Commission |
| USS BLUEBACK (submarine) |
| Vickers Petroleum Service Station |
| Vienna High and Industrial School |
| Wachovia Building Company Contemporary Ranch House |
| Ward, Frank and Dorothy, House |
| Warm Mineral Springs Motel |
| Waveland |
| Wayfarers Chapel |
| Wehner, Roland and Marilyn, House |
| Weidlinger, Paul and Madeleine |
| """Welcome to Fabulous Las Vegas"" Sign, The" |
| Wells-Denbrook Architects Office Building |
| West End Historic District |
| Wheless, Thomas and Lois, House |
| Wigwam Village #6 |
| Williamson Field House |
| Wilson, Albert E. and Emily, House |
| Winterthur Museum and Gardens |
| WJBK-TV Studios Building |
| Woolworth, F.W., Company Store |
| Wright, Duey and Julia, House |
Data from United States Park Service and Wikidata