Connecticut - Area of significance: Landscape Architecture
| Beardsley Park |
| Birdcraft Sanctuary |
| Broad Street Green Historic District |
| Butler-McCook Homestead |
| Case Brothers Historic District |
| Cedar Grove Cemetery |
| Cedar Hill Cemetery |
| Chelsea Parade Historic District |
| Colchester Village Historic District |
| Columbia Green Historic District |
| Connecticut Valley Hospital Cemetery |
| East Haven Green Historic District |
| East Rock Park |
| Edgerton |
| Edgewood Park Historic District |
| Elizabeth Park |
| Eno, Amos, House |
| Eolia-Harkness Estate |
| Ford, Elinor and Sherman, House |
| French Farm |
| Fulton, Lewis, Memorial Park |
| Grove Street Cemetery |
| Gwyn Careg |
| Hamilton Park |
| Hartford Golf Club Historic District |
| Hillhouse Avenue Historic District |
| Hilltop Farm |
| Hubbard Park |
| Johnson, Philip, Glass House |
| Keeler Tavern |
| Meadowlands |
| Merritt Parkway |
| Migeon Avenue Historic District |
| Old North Cemetery |
| Putnam Hill Historic District |
| River Park Historic District |
| Riverside Cemetery |
| Rockwell Park |
| Seaside Park |
| Southbury Training School |
| Springbank |
| Spring Grove Cemetery |
| Stonington Cemetery |
| Tranquility Farm |
| United States Housing Corporation Historic District |
| University of Connecticut Historic District-Connecticut Agricultural School |
| Upper Albany Historic District |
| Wadsworth Estate Historic District |
| Walnut Hill Park |
| Warner, Jonathan, House |
| Waterbury Municipal Center Complex |
| Waveny |
| Weir Farm National Historic Site |
Data from United States Park Service and Wikidata
