Wisconsin - Area of significance: Engineering
| Agricultural Engineering Building |
| Alexander, John, Wheat Warehouse |
| Allen, Abram, House |
| A.O. Smith Corporation Headquarters |
| Appleton Lock 4 Historic District |
| Appleton Locks 1-3 Historic District |
| Armstrong Creek Bridge |
| Ashland Harbor Breakwater Light |
| AUSTRALASIA (wooden bulk carrier) Shipwreck |
| Barteau Bridge |
| Beloit Power Plant |
| Bridge No. 1 |
| Bridge No. 2 |
| Bridge No. 3 |
| Bridge No. 4 |
| Bridge No. 5 |
| Bridge No. 6 |
| Cedars Lock and Dam Historic District |
| Chicago, St. Paul, Minneapolis, and Omaha Railway Bridge |
| Cornell Pulpwood Stacker |
| Cunningham Lane Bridge |
| Davidson Windmill |
| De Jean House |
| Delavan's Vitrified Brick Street |
| Dells of the Eau Claire County Park |
| De Pere Lock and Dam Historic District |
| Eagle River Stadium |
| Eggiman, Ernest, House |
| EMBA (self-unloading barge) Shipwreck |
| First Street Bridge |
| FRANCIS HINTON (steamer) |
| FRANK O'CONNOR (bulk carrier) |
| Gifford House |
| Glen Park Suspension Footbridge |
| Goodrich Blacksmith Shop |
| Goodrich-Buten House |
| Green Bay Harbor Entrance Light |
| Green Bay Road Bridge |
| HETTY TAYLOR (shipwreck) |
| Johnson, S.C., and Son Administration Building and Research Tower |
| Kaukauna Locks Historic District |
| Kenosha North Pierhead Light |
| Kewaunee Pierhead Lighthouse |
| Kohl's Food Store |
| LAKELAND (steam screw) Shipwreck |
| La Pointe Light Station |
| Little Chute Locks and Canal Historic District |
| Little Kaukauna Lock and Dam Historic District |
| LOUISIANA (Shipwreck) |
| LUCERNE (Shipwreck) |
| Madison Waterworks |
| Manchester Street Bridge |
| Marion Park Pavilion |
| Marsh Rainbow Arch Bridge |
| McEwan, Peter, Warehouse |
| MERIDIAN (schooner) Shipwreck Site |
| Milwaukee Breakwater Light |
| Milwaukee Pierhead Light |
| Mindoro Cut |
| Mineral Point Hill |
| NIAGARA (steamer) |
| NOQUEBAY (Schooner-Barge) Shipwreck Site |
| North Point Lighthouse |
| North Point Water Tower |
| Oneida Street Station |
| OTTAWA (Tug) Shipwreck Site |
| Pedrick, Marcellus, House |
| Peshtigo Reef Light |
| Pilgrim Family Farmstead |
| Plankinton-Wells-Water Street Historic District |
| Plum Island Range Rear Light |
| Plummer Mine Headframe |
| Port Washington North Breakwater Light |
| PRETORIA (schooner-barge) Shipwreck Site |
| Range Line Road Bridge |
| Rapide Croche Lock and Dam Historic District |
| Raube Road Site |
| Rawley Point Light Station |
| Rogers, Henry J,. and Cremora, House |
| Rosinco |
| Round Lake Logging Dam |
| Schwartz Ballroom |
| SEVONA (Bulk Carrier) Shipwreck Site |
| Sheboygan Light, Power and Railway Company Car #26 |
| Sherwood Point Light Station |
| Shot Tower |
| Silver Dome Ballroom, The |
| SILVER LAKE (scow-schooner) Shipwreck |
| Smyth Road Bridge |
| Soo Line High Bridge |
| Soo Line Locomotive 2719 |
| Soo Line Railroad Bridge |
| Soo Line Steam Locomotive 2442 |
| Sprague Bridge |
| Steam Locomotive #1385 |
| Sturgeon Bay Bridge |
| Sturgeon Bay Canal Lighthouse |
| Superior Entry South Breakwater Light |
| Turtleville Iron Bridge |
| Wakely Road Bridge |
Data from United States Park Service and Wikidata