Wisconsin - Criteria: C (architecture/engineering)
| Bernd, William J., House |
| Berni, Jacob, House |
| Bigelow School |
| Bijou Theatre Building |
| Bintliff, Gen. James, House |
| Bird, C. B., House |
| Black, Merritt, House |
| Black Point |
| Black River Falls Public Library |
| Blackstock, Thomas M. and Bridget, House |
| Blair, Sen. William, House |
| Blatz Brewery Complex |
| Blatz, Valentin, Brewing Company Office Building |
| Blumer, Dr. Samuel, House |
| Bogk, Frederick C., House |
| Bohrnstedt, John, House |
| Boller, W. H., Meat Market and Residence |
| Boorman, Benjamin, House |
| Borton, Einar and Alice, House |
| Boscobel High School |
| Bouche, J.B., House |
| Boutin, Frank, Jr., House |
| Bowen, James B., House |
| Bowman House |
| Boys and Girls Library |
| Bradley, Harold C., House |
| Brice, Orlando, House |
| Bridge No. 4 |
| Bridge Street Commercial Historic District |
| Brisbois, Michael, House |
| Brittingham Park Boathouse |
| Brown County Courthouse |
| Brown-Sewell House |
| Burlington Community Swimming Pools and Bathhouse |
| Burlington Downtown Historic District |
| Burlington Hotel |
| Burnett County Abstract Company |
| Byrns, Daniel and Nellie, House |
| California Wine and Liquor Store |
| Callahan, John L., House |
| Calumet County Courthouse |
| Calvary Presbyterian Church |
| Calway, Forrest D. and Marian, House |
| Cambridge Public School and High School |
| Cance, John, F., House |
| Cardinal Hotel |
| Carnegie Free Library |
| Cassidy Farmhouse |
| Cass-Wells Street Historic District |
| Cedarburg Mill |
| Cedars Lock and Dam Historic District |
| Center Valley Grade School |
| Central House Hotel |
| Central Library |
| Central Park Historic District |
| Central Wisconsin State Fair Round Barn |
| Chadbourn, F. A., House |
| Chalet of the Golden Fleece |
| Chambers, Pearl and Eva, House |
| Chapel of St. Mary the Virgin |
| Chapple and MacArthur Avenues Residential Historic District |
| Chase Grain Elevator |
| Chenoweth, Frank L., House |
| Chicago and Norhwestern Railroad Depot |
| Chicago and North Western Depot |
| Chicago and Northwestern Railroad Depot |
| Chicago and Northwestern Railroad Passenger Depot |
| Chicago and North Western Railway Passenger Depot |
| Chicago and Northwest Railroad Passenger Station |
| Chicago, Milwaukee and Saint Paul Railroad Depot |
| Chicago, Milwaukee and St. Paul Railway Company Passenger Depot |
| Chicago, St. Paul, Minneapolis and Omaha Railroad Car Shop Historic District |
| Chicago, St. Paul, Minneapolis and Omaha Railroad Passsenger Station |
| Chief Lippert Fire Station |
| Chilton Post Office |
| Christ Church Cathedral and Parish House |
| Christ Church of LaCrosse |
| Christ Episcopal Church |
| Christ Episcopal Church Complex |
| Christ Evangelical Church |
| Christ Evangelical Lutheran Church |
| Church, Benjamin, House |
| Church Hill Historic District |
| Church of St. Thomas the Apostle |
| Church of the Atonement |
| Church Street Historic District |
| City Hotel |
| City Market |
| City of Waterloo Carousel |
| Civic Center Historic District |
| Clark County Jail |
| Clarke, George Lawrence Jr., House |
| Clark, Jonathan, House |
| Clark, William, House |
| Clearing, The |
| Cobblestone House |
| Cold, Jens and Ingeborg, House |
| Cole, William I, House |
| College Avenue Historic District |
| College Hills Historic District |
Data from United States Park Service and Wikidata
