Missouri - Area of significance: Engineering
| Bagnell Dam and Osage Power Plant |
| Barretts Tunnels |
| Bissel Street Water Tower |
| Bixby, Walter E., House |
| Boeckman Bridge |
| Boley Building |
| Burfordville Covered Bridge |
| Caplinger Mills Historic District |
| Caruthersville Water Tower |
| Civil War Fortification at Barnesville |
| Columbia National Guard Armory |
| Compton Hill Water Tower |
| Corrigan, Bernard, House |
| Cresswell, George, Furnace |
| Crittenden Historic District |
| Curtiss, Louis, Studio Building |
| Devil's Elbow Historic District |
| Dorris Motor Car Company |
| Eads Bridge |
| Fort D |
| Gateway Arch |
| Grand Auglaize Bridge |
| Grand Avenue Water Tower |
| Gumbel Building |
| Hargrove Pivot Bridge |
| Jefferson National Expansion Memorial National Historic Site |
| Jefferson Street Footbridge |
| Kemper Arena |
| LaSalle Building |
| Linwood Lawn |
| Lock and Dam No. 20 Historic District |
| Lock and Dam No. 22 Historic District |
| Lock and Dam No. 24 Historic District |
| Locust Creek Covered Bridge |
| Loew's Midland Theater-Midland Building |
| Luyties Homeopathic Pharmacy Company Building |
| Meramec River U.S. Bridge - J421 |
| Nooter Corporation Building |
| North Main Street Historic District |
| Old Appleton Bridge |
| Papinville Marais des Cygnes River Bridge |
| Pin Oak Hollow Bridge |
| Plaza Hotel |
| Powell Bridge |
| Pratt and Whitney Plant Complex |
| Railway Exchange Building |
| Sandy Creek Covered Bridge |
| Schlichtig House |
| Shaughnessy, Martin, Building |
| Steelcote Manufacturing Company Paint Factory |
| St. Joseph Park and Parkway System |
| St. Louis Union Station |
| Union Covered Bridge |
| Upper Bridge |
| "Waddell ""A"" Truss Bridge" |
| Waldo Water Tower |
| WILLIAM S. MITCHELL (dredge) |
| Y Bridge |
Data from United States Park Service and Wikidata
