Wisconsin - Significance region: State
| 16th Street Viaduct |
| ABIAH (schooner) Shipwreck |
| ADVANCE (schooner) Shipwreck |
| ADVANCE shipwreck (Barge) |
| Aebischer Site (47CT30) |
| Agger Rockshelter |
| Agricultural Dean's House |
| Agricultural Engineering Building |
| Agriculture Hall |
| Ajango, Helmut, House |
| ALASKA Shipwreck (Scow Schooner) |
| Algoma Boulevard Historic District |
| Allis, Charles, House |
| Altern Site |
| AMERICA (canaller) Shipwreck |
| Anaem Omot |
| Annala Round Barn |
| ANTELOPE (schooner-barge) Shipwreck |
| Apostle Islands Lighthouses |
| Appleton Lock 4 Historic District |
| Appleton Locks 1-3 Historic District |
| Appleton Wire Works |
| APPOMATTOX (Shipwreck) |
| Archeological Site No. 47Ia167 |
| Archeological Site No. 47Ia168 |
| Archibald Lake Mound Group |
| ARCTIC (tug) Shipwreck |
| Armory, The |
| Arndt's Pensaukee Sawmill Complex |
| ATLANTA (steam screw) Shipwreck |
| AUSTRALASIA (wooden bulk carrier) Shipwreck |
| Babcock, Havilah, House |
| Baileys Harbor Range Light |
| Baraboo Chicago & North Western Depot and Division Offices |
| Barbee, Lloyd A., House |
| Barfoth-Blood Mound Group (47 WK 63) |
| Barteau Bridge |
| Bascom Hill Historic District |
| Bass Island Brownstone Company Quarry |
| Bayfield County Courthouse |
| Bayfield Fish Hatchery |
| Bayfield Historic District |
| Bean Lake Islands Archeological District |
| Bennett, H. H., Studio |
| Big Bend Mound Group No. 2 |
| Big Indian Farms |
| Bird, C. B., House |
| Blackhawk Country Club Mound Group (47 DA 131) |
| Black Hawk Powwow Grounds |
| B. Lawrence Site I |
| BOAZ (schooner) Shipwreck |
| Bohjanen's Door Bluff Pictographs |
| Bonnie Oaks Historic District |
| Boscobel Grand Army of the Republic Hall |
| Brainerd Site |
| Brown, Charles E., Indian Mounds |
| Buena Vista House |
| Butternut-Franklin Lakes Archeological District |
| Byron (schooner) Shipwreck |
| Camp Randall |
| Cana Island Lighthouse |
| Caradine Building |
| Carden Rockshelter |
| Carpenter Site (47 Wn 246) |
| Cedarburg Mill |
| Cedars Lock and Dam Historic District |
| Central Library |
| Central State Hospital Historic District |
| Ceresco Site |
| Chalet of the Golden Fleece |
| Chase, Dr. H. H., and Henry G. Wohlhuter Bungalows |
| Chenoweth, Frank L., House |
| Chesrow Site |
| Chicago, St. Paul, Minneapolis, and Omaha Railway Bridge |
| Church, Benjamin, House |
| City of Waterloo Carousel |
| Clipped Wing Eagle Mound |
| Cobblestone House |
| Cole Watch Tower |
| Collins, John, House |
| Columbus Public Library |
| Commandant's Residence Home |
| Community House, First Congregational Church |
| Concordia Mill |
| Congregation Beth Israel Synagogue |
| CONTINENTAL shipwreck (bulk carrier) |
| Cornell Pulpwood Stacker |
| Covered Bridge |
| Crab Apple Point Site |
| Cranberry Creek Archeological District |
| Crescent Roller Mills |
| Cutter, Judson C., House |
| Daily Northwestern Building |
| Dalles Bluff Site |
| DANIEL LYONS (Shipwreck) |
| Davidson Windmill |
| Deadman Slough |
| Denniston House |
| De Pere Lock and Dam Historic District |
| Derleth, August W., House |
Data from United States Park Service and Wikidata
