South Dakota - Area of significance: Exploration/Settlement
| Olsen, Elias B., Ranch |
| Otho Mining District |
| Parmley Land Office |
| Patterson Homestead |
| Pearson Cabin |
| Pechan, Frantisek, Log House |
| Peterson-Loriks House |
| Pfutzenreuter, George, House |
| Piper, Albert S., Homestead Claim Shanty |
| Raskob, Jacob and Elizabeth, Ranch |
| Reynolds, Joseph, Ranch Yard and Stage Stop |
| Rice Farm |
| Richards Cabins |
| Robar Trading Post |
| Roetzel, Ferdinand and Elizabeth, Ranch |
| Ruth, Thomas, H. House |
| Savo Hall-Finnish National Society Hall |
| Schaffer Farmstead |
| Schmid, Mathias, Farm |
| Schmitt, Gottlieb, House |
| Sedlacek, Jacob, Chalkrock House |
| Shevling, L. W., Ranch |
| Sittner Farm |
| Slip Up Creek Homestead |
| Snoma Finnish Cemetery |
| Soper-Behymer Ranch |
| Spirit Mound |
| St. Ann's Catholic Church of Badus |
| Stearns, William, Ranch |
| Stevens Ranch |
| Stokes, Oliver O., House |
| St. Peter's Catholic Church |
| Streeter, Norman B., Homestead |
| Stribral Homestead and Farmstead |
| Svatos, Frank, Rubblestone Barn |
| Tabor School |
| Tallent, Annie, House |
| Teibel-Sykora Rubblestone Barn |
| Thielman-Stoddard House |
| Travnicek, John, Chalkrock House |
| Trinity Episcopal Church |
| Tuohino, Jacob and Amelia, Farm |
| Turner, Frank and Clara, House |
| Veal, Thomas J., Ranch |
| Viken, Nicholas Augustus, Homestead |
| Volin, Louis, House |
| Walker, Albion, Chalkrock House |
| Walton Ranch |
| Ward, Elbert and Harriet, Ranch |
| Way Park Museum |
| Wounded Knee |
| Young, Edna and Ernest, Ranch |
| Zion Lutheran Church |
Data from United States Park Service and Wikidata