Wisconsin - Role: Building
| Burr Oak Tavern |
| Byrns, Daniel and Nellie, House |
| Cadiz Township Joint District No. 2 School |
| California Wine and Liquor Store |
| Calkins, Elias A., Doublehouse |
| Callahan, John L., House |
| Calumet County Courthouse |
| Calvary Presbyterian Church |
| Calway, Forrest D. and Marian, House |
| Cambridge Public School and High School |
| Campbell, John G., House |
| Camp Five Farmstead |
| Camp, Thomas, Farmhouse |
| Cana Island Lighthouse |
| Cance, John, F., House |
| Caradine Building |
| Cardinal Hotel |
| Carnegie Free Library |
| Carpenter, Michael, House |
| Cassidy Farmhouse |
| Castleman, Dr. Alfred L., House |
| Cedarburg Mill |
| Cedarburg Woolen Co. Worsted Mill |
| Center Valley Grade School |
| Central House Hotel |
| Central Library |
| Central Wisconsin State Fair Round Barn |
| Century Building |
| Chadbourn, F. A., House |
| Chalet of the Golden Fleece |
| Chamberlin, Clarence, House |
| Chambers Island Lighthouse |
| Chambers, Pearl and Eva, House |
| Chandler, Walter S., House |
| Chapel of St. Mary the Virgin |
| Chase, Dr. H. H., and Henry G. Wohlhuter Bungalows |
| Chase Grain Elevator |
| Chenoweth, Frank L., House |
| Chicago and Norhwestern Railroad Depot |
| Chicago and North Western Depot |
| Chicago and North-Western Land Office |
| 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 Saint Paul Railway Passenger Depot |
| Chicago, Milwaukee and St. Paul Railway Company Passenger Depot |
| Chicago, St. Paul, Minneapolis and Omaha Railroad Passsenger Station |
| Chicago, St. Paul, Minneapolis & Omaha Railroad Depot |
| Chief Lippert Fire Station |
| Chilton Post Office |
| Chippewa Shoe Manufacturing Company |
| Christ Church Cathedral and Parish House |
| Christ Church of LaCrosse |
| Christ Episcopal Church |
| Christ Episcopal Church Complex |
| Christ Evangelical Church |
| Christ Evangelical Lutheran Church |
| Christ Evangelical Lutheran Church of Burr Oak |
| Church, Benjamin, House |
| Church of St. Thomas the Apostle |
| Church of the Atonement |
| Citizens Bank |
| Citizens State Bank of Gillett |
| City Hall |
| City Hotel |
| City Market |
| Clark-Brown House |
| Clark County Jail |
| Clarke, Bascom B., House |
| Clarke, George Lawrence Jr., House |
| Clark, Jonathan, House |
| Clark, William, House |
| Cleveland's Hall and Blacksmith Shop |
| Clinton Village Hall |
| Clintonville Federal Savings and Loan Association |
| Clintonville High School |
| Clintonville Post Office |
| Club Harbor |
| Coakley Brothers Warehouse |
| Coates, Leonard and Caroline, House |
| Cobb, George N., House |
| Cobblestone House |
| Cold, Jens and Ingeborg, House |
| Cole Watch Tower |
| Cole, William I, House |
| Colfax Municipal Building |
| Collins, John, House |
| Collins, William, House |
| Columbus City Hall |
| Columbus Fireman's Park Complex |
| Columbus Post Office |
| Columbus Public Library |
| Coman House |
| Commandant's Residence Home |
| Commerce Street Power Plant |
| Commercial Hotel |
| Commons, John R., House |
| Community House, First Congregational Church |
Data from United States Park Service and Wikidata
