Wisconsin - Criteria: A (event)
| Owen Park Bandshell |
| Pabst Brewing Company Complex |
| Pabst Theater |
| Painesville Chapel |
| Palmyra Boy Scout Cabin |
| Palo, John and Justina, Homestead |
| Paoli Mills |
| Payne Hotel |
| Pearsons Hall of Science |
| Pecatonica Battlefield |
| Pendarvis |
| Pepin County Courthouse and Jail |
| Peshtigo Fire Cemetery |
| Peshtigo Reef Light |
| Peterson, Peter, House |
| Phillips High School |
| Physical Education Building/La Crosse State Normal School |
| Pilgrim Family Farmstead |
| Pilot Island Light |
| Pipe School |
| Plankinton-Wells-Water Street Historic District |
| Plough Inn |
| Plum Island Range Rear Light |
| Plummer Mine Headframe |
| Point of Rocks |
| Pond, Daniel, Farmhouse |
| Portage Canal |
| Portage Industrial Waterfront Historic District |
| Portage Retail Historic District |
| Port Washington Downtown Historic District |
| Port Washington Fire Engine House |
| Port Washington Light Station |
| Potosi Badger Huts Site |
| Potosi Brewery |
| Pottawatomie Lighthouse |
| Prairie du Chien City Hall |
| Prairie Spring Hotel |
| Prentice Co-operative Creamery Company |
| PRETORIA (schooner-barge) Shipwreck Site |
| Princeton Downtown Historic District |
| Public Sevice Building |
| Pureair Sanatorium |
| Pythian Castle Lodge |
| Racine College |
| Racine County Courthouse |
| Racine Harbor Lighthouse and Life Saving Station |
| Rawley Point Light Station |
| Redwood Cottage |
| Reedsburg Brewery |
| Reedsburg Woolen Mill Office |
| Regez, Jacob, Sr., House |
| Region Nine Training School |
| Ringling Brothers Circus Headquarters |
| Ripon College Historic District |
| Risum Round Barn |
| Riviera, The |
| Rocky Island Historic District |
| Rogers, Henry J,. and Cremora, House |
| Rosinco |
| Rothschild Pavilion |
| Round Lake Logging Dam |
| Rountree, J. H., Mansion |
| ROUSE SIMMONS (Shipwreck) |
| Rowley, Dr. Newman C., House |
| Rutland United Brethren in Christ Meeting House and Cemetery |
| Saint Ann's Catholic Church and Cemetery |
| Saint Bernard's Chruch Complex |
| Saint Edward's Chapel |
| Saint George Melkite Catholic Church |
| Saint Joseph of the Lake Church and Cemetery |
| Saint Vincent's Infant Asylum |
| Salem Evangelical Church |
| Samuels' Cave |
| Sauk City Fire Station |
| Sauk City High School |
| Schofield Hall |
| Schoonmaker Reef |
| Scott, T. B., Free Library |
| Shaw Farm |
| Sheboygan County Courthouse |
| Sheboygan Valley Land and Lime Company |
| Sheeley House |
| Shelton, William and Mary, Farmstead |
| Sherwood Point Light Station |
| Shoop Building |
| Shopiere Congregational Church |
| Shorewood Village Hall |
| Shot Tower |
| Silver Dome Ballroom, The |
| Simeon Mills Historic District |
| Simmons Island Beach House |
| Sisson's Peony Gardens |
| Sixth Church of Christ, Scientist |
| Skindrud, Eric and Jerome, Farm |
| Skumsrud, Nils, House |
| Skunk Hill (Tah-qua-kik) Ceremonial Community |
| Smith, Charles R., House |
| Smith, Hiram, House |
| Smith, J.B., House and Granary |
| Smith, Lloyd R., House |
Data from United States Park Service and Wikidata
