Castles - United States

72 documented abandoned castles have been mapped by the Urbexology community across United States, with the highest concentration around Eden Isle (2), Port Royal (2), Natchez (1). Each location below links to its own page with coordinates, photos where available, and access notes.

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Bannerman Castle (Cornwall-on-Hudson)
Barnsley Manor House Ruins (Adairsville)
Brandymore Castle Historical Marker (Seven Corners)
Castle Dome Mine (Wellton)
Castle Junction (Maunawili)
Castle Peak Mine (Virginia City)
Castle Rock (Gove)
Castle Town (White Sulphur Springs)
Coghlan Castle (Rolla)
Corpsewood Manor (Trion)
Cross Castle Estate (West Milford)
Fort Assinniboine State Historic Site (Havre)
Fort Bowie Cemetery (Willcox)
Fort Buchanan (Corona de Tucson)
Fort Buffalo Springs (Henrietta)
Fort Center (Moore Haven)
Fort Clark State Historic Site (Stanton)
Fort Cobun Historical Site (Port Gibson)
Fort Croghan Museum (Burnet)
Fort Dade (Anna Maria)
Fort Derussy State Historic Site (Marksville)
Fort Dorchester Ruins (Centerville)
Fort DuPont Mortar Bunker (Delaware City)
Fort Freemont (Port Royal)
Fort Fremont Preserve (Port Royal)
Fort Gibson (New York City)
Fort Gilmer (Bellwood)
Fort Granger Franklin TN (Franklin)
Fort Griswold (Groton)
Fort Hall Mine (Pocatello)
Fort Huger (Rushmere)
Fort La Clede (ruins) (Rock Springs)
Fort Livingston (Grand Isle)
Fort Macomb (Eden Isle)
Fort Miles Battery 223 (West Cape May)
Fort Monmouth (Eatontown)
Fort Myers mural society (Fort Myers)
Fort Negley Visitors Center (Nashville)
Fort Nogales Historical Markers (Vicksburg)
Fort Ord Morgue (Marina)
Fort Phoenix (Fairhaven)
Fort Pike (Eden Isle)
Fort Proctor (Poydras)
Fort Rosalie (Natchez)
Fort Saint Philip (Port Sulphur)
Fort Selden Historic Site (Radium Springs)
Fort St. John (New Orleans)
Fort St. Vrain Historic Marker (Milliken)
Fort Stanton Historic Site (Capitan)
Fort Stevens (Takoma Park)
Fort Tule Homestead Riparian Area (Black Canyon City)
Fort Whitman (Oak Harbor)
Fort Wingate (Church Rock)
Ha Ha Tonka Castle Ruins (Camdenton)
Historic Fort Marcy (Santa Fe)
Historic Greencastle Bridge (Tiffin)
Historic Landmark #154 - Fort Humboldt (Bayview)
McKamey Manor (Mount Pleasant)
Old Fort Smith (Arkoma)
Old Fort Smith Commissary (Fort Smith)
Old Pleasant Grove Fort (Pleasant Grove)
Old Well of Fort Anne (historical marker) (Queensbury)
Ruined Military Structures of Fort Hancock (Highlands)
Ruins of the Second Fort Conde (Mobile)
Spanish Castle Ruins (Quincy)
Tenney Castle ruins (Methuen)
The Castle (Lapwai)
The Castle (Burbank)
The Castle (Evergreen)
The Givins Castle (Evergreen Park)
The Twins Fort Mohave Aha Macav (Mohave Valley)
The Whiting Castle On Lake Worth (Lake Worth)

As a reminder, it is FORBIDDEN to enter private property. Always check local laws and access rights before visiting any location. Read the full disclaimer.