Arizona - Constructed - 1920–1929
| Allentown Bridge |
| Arizona Bank and Trust |
| Armour and Jacobson Building |
| AT & SF Locomotive |
| Bethlehem Baptist Church |
| Black, Arthur F., House |
| Black Gap Bridge |
| Black River Bridge |
| Bohn, Louis J. and Lee, Gertrude, House |
| Cactus Press-Plaza Paint Building |
| Casa Grande Hospital |
| Casa Grande Stone Church |
| Casa Grande Woman's Club Building |
| Coolidge Woman's Club |
| Coronado Hotel |
| Deer Springs Lookout Complex |
| Ewing, Frank, House |
| Fox Commercial Building |
| Fox Theatre |
| Grand Canyon Lodge |
| Grand Canyon North Rim Headquarters |
| Grand Canyon Park Operations Building |
| Gung'l, John, House |
| Hassayampa River Bridge |
| Horse Mesa Dam |
| Hotel Westward Ho |
| Kochsmeier, Henry and Anna, House |
| La Casa del High Jinks |
| Lemmon Rock Lookout House |
| Little Hell Canyon Bridge |
| Mee, Joe, House |
| Men's Gymnasium, University of Arizona |
| Montezuma Hotel |
| Morgan, David-Bronson, Earl A., House |
| Mormon Flat Dam |
| Museum of Northern Arizona Exhibition Building |
| Navajo Steel Arch Highway Bridge |
| Old Governor's Mansion |
| Orpheum Theater |
| Peach Springs Trading Post |
| Pipe Spring National Monument |
| Promontory Butte Lookout Complex |
| Ranger's Dormitory |
| Rialto Theatre |
| Squaw Peak Inn |
| Stone Warehouse |
| Superintendent's Residence |
| Tovrea Castle |
| Union Station |
| Valley National Bank Building |
| Whitney, J. T., Funeral Home |
| Wright, Harold Bell, Estate |
| Wupatki National Monument |
| Yuma County Courthouse |
Data from United States Park Service and Wikidata