Minnesota - Role: Building
| Our Lady of the Angels Academy |
| Owatonna City and Firemen's Hall |
| Owatonna Free Public Library |
| Owre, Dr. Oscar, House |
| Oxford Mill Ruin |
| Paine, H. A., House |
| Palace Theater |
| Palmer House Hotel |
| Pan Motor Company Office and Sheet Metal Works |
| Paramount Theater |
| Park, David, House |
| Park Elementary School |
| Parker Building |
| Parker, Charles and Grace, House |
| Park Rapids Jail |
| Park Region Luther College |
| Parsons Block and Hall |
| Partridge Township Hall |
| Patterson-Hernandez House |
| Payne Avenue State Bank |
| Peet, David N., Farmstead |
| Pence Automobile Company Building |
| Pennie, Daniel, House |
| People's Union Church |
| Perham Village Hall and Fire Station |
| Pest House |
| Peters, Ferdinand, House |
| Peterson, Andrew, Farmstead |
| Pfeiffer, John Gottlieb, House |
| Phelps Library, Shattuck School |
| Phelps Mill |
| Phi Gamma Delta Fraternity House |
| Pickwick Mill |
| Pietenpol, Bernard H., Workshop and Garage |
| Pilgrim Baptist Church |
| Pillsbury A Mill |
| Pine Island City Hall and Fire Station |
| Pine Tree Lumber Company Office Building |
| Pioneer and Endicott Buildings |
| Piper, Daniel S., House |
| Pipestone County Courthouse |
| Pipestone Indian School Superintendent's House |
| Pipestone Public Library |
| Pleasant Grove Masonic Lodge |
| Plummer, Henry S., House |
| Plymouth Building |
| Poehler, August F., House |
| Pond, Gideon H., House |
| Poorbaugh, John M., Block |
| Pope County Courthouse |
| Portland Prairie Methodist Episcopal Church |
| Potter/Casey Company Building |
| Pratt-Tabor House |
| Preston Brewery |
| Probstfield, Randolph M., House |
| Prospect House |
| Purcell, William Gray, House |
| Quickstad Farm Implement Company |
| Quinlan, Elizabeth C., House |
| Rahilly, Patrick H., House |
| Ramsey, Alexander, House |
| Ramsey County Poor Farm Barn |
| Ramsey, Justus, Stone House |
| Rand, Rufus, Summer House and Carriage Barn |
| Rand Tower |
| Ranier Community Building |
| Rau/Strong House |
| Reads Landing School |
| Red Clover Land Company Demonstration Farm |
| Red Lake County Courthouse |
| Red River Milling Company |
| Red Wing City Hall |
| Red Wing Iron Works |
| Red Wing Waterworks |
| Redwood Falls Carnegie Library |
| Renville County Courthouse and Jail |
| Revere Fire Hall |
| Rice County Courthouse and Jail |
| Rinshed, John, House |
| River Inn |
| Riverside Hangar |
| Riverside Hotel |
| Riverview Branch Library |
| Robinson, Leonard, House |
| Rochat-Louise-Sauerwein Block |
| Rochester Armory |
| Rochester Public Library |
| Rock County Courthouse and Jail |
| Rock Island Depot |
| Rollingstone Village Hall |
| Rolvaag, O. E., House |
| Roosevelt Branch Library |
| Roosevelt Hall |
| Roscoe Butter and Cheese Factory |
| Roseau County Courthouse |
| Roseau Memorial Arena |
| Roselawn Chapel and Administration Building |
| Rowe, John, House |
| Rudi, Lars, House |
| Rushford City Mill |
Data from United States Park Service and Wikidata
