Missouri - Area of significance: Exploration/Settlement
| Arrow Rock |
| Bates-Geers House |
| Bear Creek Baptist Church |
| Bergt, Christian A., Farm |
| Bissell, Gen. Daniel, House |
| Bolduc, Louis, House |
| Boller House |
| Boone, Daniel, House |
| Boone, Nathan, House |
| Boonslick State Park |
| Brentmoor Park, Brentmoor and Forest Ridge District |
| Buford-Carty Farmstead |
| Burns, Caleb, House |
| Cabins Historic District |
| Caledonia Historic District |
| Callaway, Flanders, House |
| Camp Ground Church and Cemetery |
| Carroll Stagecoach Inn |
| Cave Spring |
| Cedar Grove |
| Central Park Historic District |
| Charbonier Bluff |
| Chatillon-DeMenil House |
| Coldwater Cemetery |
| Compton, Dr. James, House |
| Courdin, David W., House |
| Culpepper-Pummil Site (23SH14/55) |
| Dalton-Uphoff House |
| Dilday Mill |
| Fairfax House |
| Fort Osage |
| Garrett, Louisa, House |
| Gordon, David, House and Collins Log Cabin |
| Grauer, Gustav, Farm |
| Greenwood |
| Harris-Chilton-Ruble House |
| Hays, Daniel Boone, House |
| Hendren Farm |
| Henry Cemetery |
| Hermann Historic District |
| Hicklin Hearthstone |
| Houx-Hoefer-Rehkop House |
| Jackson, Prior, Homeplace |
| Jefferson Barracks Historic District |
| Jolly Mill |
| Keller, Christian and Anna, Farmstead |
| Kelly's Westport Inn |
| Kotthoff-Weeks Farm Complex |
| Long, William, Log House |
| Machpelah Cemetery |
| Manes, Calloway, Homestead |
| Maple Grove |
| Maramec Iron Works District |
| Mark Twain Historic District |
| Marshall Hotel |
| Masterson, Robert, House |
| McKendree Chapel |
| Miller, Issac, House |
| Moellring, Frank, House |
| Morrill, Levi, Post |
| Mt. Memorial Cemetery |
| Neff Tavern Smokehouse |
| Nichols Farm District |
| Norris, Jewett, Library |
| North, James, House |
| Nova Scotia Ironworks Historic District |
| Old Eminence Site (23SH104) |
| Old Lorimier Cemetery |
| Old Stagecoach Stop |
| Old Town Historic District |
| Otzenberger House |
| Pearson Creek Archeological District |
| Pelster, Wilhelm, House-Barn |
| Peppard, Joseph Grear, House |
| Phillips Bay Mill (23CT235) |
| Pine Lawn Carriage House |
| Pleasant Green |
| Quality Hill |
| Rannells, Charles S. and Mary Warder, House |
| Ratcliff, Jesse, House |
| Reed Log House |
| Rice-Tremonti House |
| Riggs, Absolom, House |
| Ritchey, Mathew H., House |
| Roberts Farmstead |
| Robidoux Row |
| Rocheport |
| Roeschel-Toennes-Oswald Property |
| Ruskaup House |
| Sappington, Zephaniah, House |
| Scarritt, Rev. Nathan, House |
| Schlichtig House |
| Schwegmann, John F., House |
| Shobe-Morrison House |
| Smallin Cave Historic District |
| St. Charles Historic District |
| Ste. Genevieve Historic District |
| Steins, Jacob, House |
| Steins Street District |
| Stone Houses |
Data from United States Park Service and Wikidata
