Arizona - Criteria: A (event)
| Kin Tiel |
| Kirkland Store |
| Knights of Pythias Building |
| Koontz, Kinter K. |
| Krenz-Kerley Trading Post |
| La Iglesia Metodista Mexicana, El Divino Redentor |
| Lake Mountain Lookout Complex |
| La Posada Historic District |
| Las Dos Naciones Cigar Factory |
| Laveen School Auditorium |
| Lee Butte Lookout Tower and Cabin |
| Lees Ferry |
| Lee's Ferry and Lonely Dell Ranch |
| Lehi School |
| Lemmon Rock Lookout House |
| Lewis and Pranty Creek Bridge |
| Liberty Methodist Episcopal Church, South |
| Lincoln Hospital |
| Lithodendron Wash Bridge |
| Little Hell Canyon Bridge |
| Little Lithodendron Wash Bridge |
| Little Mountain Lookout Tree |
| Little Outfit Schoolhouse, The |
| Little Red School |
| Los Burros Ranger Station |
| Lovin and Withers Cottages |
| Lowell Observatory |
| Lowell Ranger Station |
| Lower Cibecue Lutheran Mission |
| Lynx Creek Bridge |
| Magma Hotel |
| Main Building, Tempe Normal School |
| Mandell and Meyer Building |
| Manjarres House |
| Manning Cabin |
| Manning, Levi H., House |
| Maricopa County Courthouse |
| Mary Jane Colter Buildings (Hopi House, The Lookout, Hermit's Rest, and the Desert View Watchtower) |
| Masonic Hall |
| Matthews Hall |
| Mayer Red Brick Schoolhouse |
| McNair, Jonas, House |
| McPhaul Suspension Bridge |
| Men's Gymnasium, University of Arizona |
| Mesa Journal-Tribune FHA Demonstration Home |
| Mesa Woman's Club |
| Methodist Episcopal Church |
| Miami Avenue Bridge |
| Miami Community Church |
| Midgley, W. W., Bridge |
| Miller, Pryor, House |
| Mingus Lookout Complex |
| Miracle Mile Historic District |
| Monroe School |
| Monte Vista Lookout Cabin |
| Montezuma Hotel |
| Moqui Lookout Cabin |
| Moqui Ranger Station |
| Morgan, David-Bronson, Earl A., House |
| Mormon Church |
| Mormon Flat Bridge |
| Mormon Flat Dam |
| Morristown Store |
| Mulvenon Building |
| Museum of Northern Arizona Exhibition Building |
| Naco Border Station |
| Natural Bridge Lodge |
| Navajo Nation Council Chamber |
| Navajo Steel Arch Highway Bridge |
| Newspaper Rock Petroglyphs Archeological District |
| Nogales Electric Light, Ice & Water Company Power House |
| Nogales Steam Laundry Building |
| Nohlechek, Rhoda, House |
| Noon, A. S., Building |
| Northern Arizona Normal School Historic District |
| Oatman Drug Company Building |
| Ocean To Ocean Bridge |
| Old Barber Shop |
| Old Brick Post Office |
| Old Governor's Mansion |
| Old Library Building |
| Old Main, University of Arizona |
| Old Nogales City Hall and Fire Station |
| Old Presbyterian Church |
| Old Trails Bridge |
| Old Tubac Schoolhouse |
| Ong's, Jim, Market |
| Ong Yut Geong Wholesale Market |
| Orpheum Theater |
| Ox Bow Inn |
| Painted Desert Community Complex Historic District |
| Painted Desert Inn |
| Palace Station District |
| Paramount Theatre |
| Park Avenue Bridge |
| Parker Jail |
| Pay'n Takit #13 |
| Pay'n Takit #25 |
| Pay'n Takit #5 |
| Peach Springs Trading Post |
Data from United States Park Service and Wikidata
