Oregon - Criteria: A (event)
| 99W Drive-in Theatre |
| Abert Lake Petroglyphs |
| Abraham, Simon, Duplex |
| Acorn Woman Peak Lookout |
| Adams Odd Fellows Hall |
| Administration Building |
| Albany Hebrew Cemetery |
| Albany Municipal Airport |
| Albers Brothers Milling Company |
| Alco Apartments |
| Allison Ranger Station |
| Alphabet Historic District |
| Alpha Tau Omega Fraternity House (Old) |
| Ambruster, Frederick, Cottage |
| American Can Company Complex |
| Anderson, Lewis, House, Barn and Granary |
| Antelope School |
| Antlers Guard Station |
| Arleta Branch Library |
| Arlington Club |
| Arlington Hotel |
| Arminius Hotel |
| Ascension Episcopal Church and Rectory |
| Ashland Cemetery |
| Ashland Downtown Historic District |
| Ashland Masonic Lodge Building |
| Ashland Oregon National Guard Armory |
| Astor Building |
| Astoria City Hall |
| Astoria Downtown Historic District |
| Astoria Elks Building |
| Astoria Fire House No. 2 |
| Astoria Victory Monument |
| Astoria Wharf and Warehouse Company |
| Astor, John Jacob, Hotel |
| Aurora Colony Historic District |
| Auto Freight Transport Building of Oregon and Washington |
| Auto Rest Garage |
| Avery-Helm Historic District |
| Bagby Guard Station |
| Bagdad Theatre |
| Bailey and Massingill Store |
| Baker Historic District |
| Baker Municipal Natatorium |
| Balch Hotel |
| Baldwin Market |
| Balfour-Gutherie Building |
| Ball, Abraham and Phoebe, House |
| Ballou & Wright Company Building |
| Bank of California Building |
| Bank of Echo Building |
| Barlow Road |
| Barnard, Dr. J. W., Building and First National Bank of Joseph |
| Barnum Hotel |
| Bay E, West Ankeny Car Barns |
| Beauchamp Building |
| Beaverton Downtown Historic District |
| Bedell Building |
| Belknap Bridge |
| Bend Amateur Atheletic Club Gymnasium |
| Bend High School |
| Benedict, Edwin E., House |
| Benson, Simon, House |
| Benton County Courthouse |
| Benton Hotel |
| Berg, Charles F., Building |
| Beta Theta Pi Fraternity House, Old |
| Beth Israel School |
| Big Creek Bridge No. 01180 |
| Big Elk Guard Station |
| Billy Meadows Guard Station |
| Bisbee Hotel |
| Blackburn Sanitarium |
| Bly Ranger Station |
| Bohnsen Cottages |
| Bonneville Dam Historic District |
| Boon Brick Store |
| Boston Flour Mill |
| Bowman Hotel |
| BPOE Lodge No. 1168 |
| Brick House Beautiful |
| Broadway Bridge |
| Broadway Hotel |
| Burnside Bridge |
| Burrell Heights Apartments |
| Butte Falls Ranger Station |
| Cabin Lake Guard Station |
| Calumet Hotel |
| Calvary Lutheran Church & Parsonage |
| Cameo Theatre |
| Camp Arboretum Sign Shop |
| Campbell, Robert E., House |
| Camp Sherman Community Hall |
| Camp White Station Hospital Administration Building |
| Canemah Historic District |
| Cant, James, Ranch Historic District |
| Canyonville Methodist Church |
| Cape Arago Lighthouse |
| Cape Blanco Lighthouse |
| Cape Creek Bridge No. 01113 |
Data from United States Park Service and Wikidata
