Oregon - Area of significance: Landscape Architecture
| Anthony, Herman, Farm |
| Bly Ranger Station |
| Bonneville Dam Historic District |
| Britt Gardens Site 35JA789 |
| Brookside Cemetery |
| Camp Namanu |
| Carpenter, A.S.V., and Helen Bundy House |
| Chase Gardens Residential Grouping |
| Clemens, Michael, House |
| Columbia Gorge Hotel |
| Comfort Station No. 68 |
| Comfort Station No. 72 |
| Coolidge, Orlando, House |
| Dads' Gates |
| Egan, H. Chandler and Alice B., House |
| Frank, M. Lloyd, Estate |
| Gaiety Hill-Bush's Pasture Park Historic District |
| Gaiety Hollow |
| Halprin Open Space Sequence |
| Hanley, Michael, Farmstead |
| Holden, William B., House |
| Holt-Saylor-Liberto House |
| Honeyman, Jessie M., Memorial State Park Historic District |
| Jarman, Daniel B., House and Garden |
| Jenkins, Belle Ainsworth, Estate |
| Kendall, Joseph, House |
| Ladd's Addition Historic District |
| Laurelhurst Park |
| Lithia Park |
| Lynch, Matthew J. and Florence, House and Garden |
| McDougall-Campbell House |
| McKee Bridge Campground |
| Mosier Mounds Complex |
| Mount Tabor Park |
| Munson Valley Historic District |
| Odd Fellows Rural Cemetery |
| Oregon Caves Historic District |
| Oregon State Forester's Office Building |
| Patton, Hamilton and Edith, House |
| Petersen Rock Garden |
| Port, Dr. Luke A., House |
| Rae Selling Berry Garden and House |
| Rim Drive Historic District |
| Rim Village Historic District |
| Robertson, Dr. and Mrs. Charles G., House and Garden |
| Rocky Butte Scenic Drive Historic District |
| Shipley, U. G., House and Garden |
| Silver Creek Youth Camp-Silver Falls State Park |
| Sinnott Memorial Building No. 67 |
| South Park Blocks |
| Town Club, The |
| Union Creek Historic District |
| Watchman Lookout Station No. 68 |
| West, Oswald, Coastal Retreat |
| Willamette National Cemetery |
Data from United States Park Service and Wikidata
