This is a list of historical forts in the United States. World War II military reservations containing 8-inch and larger gun batteries are also included.
Alabama
Fort Armstrong Fort Bibb Fort Bowyer Fort Carney Fort Claiborne Fort Condé, open to the public Fort Crawford Fort Dale Fort Decatur Fort Easley Fort Gaines Fort Glass Fort Hampton Fort Harker Fort Hull Fort Jackson, open to the public Fort Landrum Fort Leslie Fort Likens Fort Madison Fort McClellan Fort Montgomery Fort Morgan, open to the public Fort Novosel, closed to the public Fort Sinquefield Fort Stoddert Fort Strother Fort Tombecbe, open to the public Fort Toulouse, open to the public Fort Williams, destroyed by erosion
Alaska
Fort Abercrombie, open to the public Fort Brumback Fort Learnard Fort Davis Fort Greely, closed to the public Fort Egbert Fort Gibbon Fort Learnard Fort McGilvray Fort Mears Fort Randall, closed to the public Fort Raymond Fort Richardson, closed to the public Fort Rousseau Fort Schwatka Fort William H. Seward Fort St. Michael Fort St. Nicholas Fort Tongass Fort Wainwright, closed to the public
Arizona
Fort Apache, open to the public Fort Bowie, open to the public Fort Buchanan Fort Crittenden Fort Defiance Fort Grant, closed to the public Fort Huachuca, closed to the public Fort Lowell, open to the public Fort Mojave Fort Tyson Fort Verde, open to the public Fort Whipple, open to the public
Arkansas
Fort Carlos III, destroyed by erosion Fort Chaffee, closed to the public Fort Curtis, open to the public Fort Logan H. Roots, open to the public Fort Lookout, open to the public Fort Smith, open to the public
California
Colorado
Connecticut
Fort Griswold, open to the public Fort Nathan Hale, open to the public Fort Trumbull, open to the public Fort Stamford, open to the public
Delaware
Fort Casimir, destroyed Fort Christina, open to the public Fort Delaware, open to the public Fort du Pont, open to the public Fort Miles, open to the public Fort Saulsbury, closed to the public
Florida
Georgia
Fort Gordon, closed to the public Fort Frederica, open to the public Fort Gillem Fort Hawkins, open to the public Fort James Jackson, open to the public Fort King George, open to the public Fort McAllister, open to the public Fort McPherson Fort Benning, closed to the public Fort Pulaski, open to the public Fort Scott Fort Stewart, closed to the public
Hawaii
Fort Armstrong Fort DeRussy, closed to the public Fort Hase, closed to the public Fort Kamehameha Fort Elizabeth, open to the public Fort Ruger, open to the public Schofield Barracks, closed to the public Fort Shafter, closed to the public
Idaho
Fort Boise Camp Connor Fort Hall, open to the public Fort Lapwai, open to the public Fort Sherman, open to the public
Illinois
Fort Armstrong Fort de Chartres Fort Dearborn Fort Johnson Fort Kaskaskia Fort Massac Fort Sheridan
Indiana
Fort Benjamin Harrison, open to the public Fort Patrick Henry, abandoned Fort Knox, abandoned Fort Wayne, open to the public Fort Ouiatenon, destroyed during the Northwest Indian War Fort Vallonia, open to the public
Iowa
Fort Atkinson, open to the public Fort Des Moines Fort Peterson Old Fort Madison
Kansas
Fort Atkinson Fort Aubrey Fort Bain Fort Belmont Fort Blair Fort Brooks Burlingame's Fort Fort de Cavagnial Fort Clifton Fort Dodge Fort Drinkwater Fort Ellsworth Fort Harker, open to the public Fort Hays Fort Henning Fort Insley Fort Lane Fort Larned, open to the public Fort Leavenworth, closed to the public Fort Lincoln Fort Lookout Fort Mann Fort McKean Fort Montgomery (1855) Fort Montgomery (1861) Fort Riley, closed to the public Fort Row Fort Saunders Fort Scott, open to the public Fort Simple Fort Solomon Fort Sully Fort Titus Fort Wakarusa Fort Wallace Fort Zarah
Kentucky
Fort Boonesborough, open to the public Fort Campbell, closed to the public Fort Harrod, open to the public Fort Knox, closed to the public Fort Nelson Fort William
Louisiana
Fort Jackson Fort Johnson, closed to the public Fort Livingston Fort Macomb Fort Pike Fort Proctor Fort St. Philip
Maine
Fort Baldwin, open to the public Fort Edgecomb, open to the public Fort Foster, open to the public Fort George, open to the public Fort Gorges, open to the public Fort Halifax, open to the public Fort Kent, open to the public Fort Knox, open to the public Fort Levett, closed to the public Fort Lyon, closed to the public Fort McClary, open to the public Fort McKinley, closed to the public Fort O'Brien, open to the public Fort Pentagouet Fort Popham, open to the public Fort Preble, open to the public Fort Scammel, closed to the public Fort Sullivan, open to the public Fort Sumner, open to the public Fort Williams, open to the public Fort William Henry, open to the public
Maryland
Fort Armistead, open to the public Fort Carroll, closed to the public Fort Cumberland, demolished Fort Defiance, open to the public Fort Detrick, closed to the public Fort Foote, open to the public Fort Frederick, open to the public Fort George G. Meade, closed to the public Fort Howard, open to the public Fort McHenry, open to the public Fort Severn, demolished Fort Smallwood, open to the public Fort Washington, open to the public
Massachusetts Acushnet Fort Fort Andrew Fort Andrews Fort Banks Fort Dawes Fort Defiance Fort Devens Fort Duvall East Point Military Reservation Eastern Point Fort Fort Heath Fort Independence, open to the public Long Point Battery Fort Miller Fort Phoenix Fort Pickering Fort Revere Fort Rodman Fort Ruckman Fort Sewall Stage Fort Fort Standish (Boston) Fort Standish (Plymouth) Fort Strong Fort Taber Fort Warren, open to the public Fort Washington Fort Winthrop
Michigan
Fort de Buade Fort Detroit Fort Holmes Fort Mackinac Fort Miami Fort Michilimackinac Fort St. Joseph (Niles) Fort St. Joseph (Port Huron), rebuilt as Fort Gratiot Fort Wayne (Detroit) Fort Wilkins
Minnesota Fort Beauharnois Fort Duquesne Fort L'Huillier Fort Ridgely Fort Ripley Fort St. Charles Fort Snelling
Mississippi Fort Massachusetts Fort Maurepas
Missouri
Fort Belle Fontaine, open to the public Fort Cap au Gris Fort Crowder Fort Leonard Wood, closed to the public Fort Osage, open to the public Jefferson Barracks, open to the public
Montana
Fort Assinniboine Fort C. F. Smith Fort Ellis Fort Keogh Fort Parker Fort William Henry Harrison Fort Missoula Fort Benton
Nebraska
Fort Atkinson, open to the public Fort Hartsuff, open to the public Fort Kearny, open to the public Fort Lisa Fort McPherson, open to the public Fort Mitchell Fort Niobrara Fort Omaha Fort Robinson, open to the public Fort Sidney, open to the public
Nevada
Fort Churchill, open to the public
New Hampshire Fort Constitution, open to the public Fort at Number 4, open to the public Fort Dearborn Fort Stark Fort Washington Fort Wentworth Fort William and Mary
New Jersey Fort Billingsport Cape May Military Reservation Fort Dix Highlands Military Reservation Fort Lee Fort Hancock Fort Mercer Fort Monmouth Fort Mott Fortifications of New Netherland Fort Nonsense
New Mexico Fort Bascom Fort Bayard Fort Craig Fort Cummings Fort Fillmore Fort Marcy Fort McRae Fort Selden Fort Stanton Fort Sumner Fort Thorn Fort Tularosa Fort Union Fort Wingate
New York Fort Amsterdam Castle Clinton Fort Clinton Fort Columbus Fort Crown Point Fort Drum Fort Edward Fort Gansevoort Fort Gibson Fort Greene Fort Hamilton Camp Hero Fort Jay Fort Lafayette Fort Lévis Madison Barracks Fort Michie Fort Montgomery (1776) Fort Montgomery (1844) Forts of New Netherland Fort Niagara Fort Ontario Fort de La Présentation Fort Schuyler Fort Slocum Fort Stanwix, open to the public Fort Terry Fort Ticonderoga Fort Tilden Fort Tompkins (1812) Fort Tompkins (1812) Fort Tompkins (1814) Fort Tompkins (1847) Fort Totten Fort Tyler Fort Wadsworth Fort Washington Battery Weed Fort William Henry Castle Williams Fort Wood Fort H. G. Wright
North Carolina
Fort Anderson, open to the public Fort Caswell, closed to the public Fort Dobbs, open to the public Fort Fisher, open to the public Fort Greene Fort Hampton, open to the public Fort Johnston, open to the public Fort Bragg, closed to the public Fort Macon, open to the public
North Dakota Fort Abercrombie Fort Abraham Lincoln Fort Buford Fort Clark Fort Mandan Fort Ransom Fort Rice Fort Stevenson Fort Totten Fort Union
Ohio
Fort Defiance, open to the public Fort Deposit Fort Findlay Fort Frye Fort Harmar Fort Hayes Fort Jefferson Fort Laurens, open to the public Fort Meigs, open to the public Fort Miamis Fort Recovery, open to the public Fort St. Clair Fort Sandoské (1750) Fort Sandusky (1761) Fort Stephenson Fort Steuben, open to the public Fort Washington
Oklahoma Fort Arbuckle Fort Cobb Fort Coffee Fort Gibson Camp Gruber Fort McCulloch Fort Nichols Fort Reno Fort Sill Fort Supply Fort Towson Fort Washita Fort Wayne
Oregon Fort Astoria Fort Clatsop Fort Dalles Fort Hoskins Fort Klamath Fort Lane Fort Stevens Fort William Fort Yamhill
Pennsylvania
Fort Allen (Carbon County, Pennsylvania), abandoned Fort Allen (Westmoreland County, Pennsylvania), abandoned Fort Armstrong, abandoned Fort Augusta, destroyed Fort Bedford, partially reconstructed, open to the public Fort Bigham, destroyed Carlisle Fort, abandoned Fort Chambers, abandoned Fort Depuy, returned to its original owners Fort Deshler, abandoned Fort Duquesne, destroyed Fort Franklin (Schuylkill County, Pennsylvania), abandoned Fort Franklin (Venango County, Pennsylvania), abandoned Fort Granville, destroyed Fort Halifax, destroyed Fort Hamilton (Pennsylvania), abandoned Fort Henry, abandoned Fort Hunter, abandoned Fort Hyndshaw, abandoned Fort Jones, destroyed Fort Juniata Crossing, abandoned Fort Laughlin, destroyed Fort Lebanon, abandoned Fort Le Boeuf, destroyed Light's Fort, under renovation Fort Ligonier, reconstructed, open to the public Fort Loudoun, reconstructed, open to the public Fort Lyttleton, destroyed Fort Machault, destroyed Fort Manada, destroyed Fort Martin, abandoned Fort Manada, abandoned Fort McCord, destroyed McDowell's Mill, abandoned Fort McIntosh, destroyed Mercer's Fort, destroyed Fort Mifflin, open to the public Fort Morris (Pennsylvania), abandoned Fort Necessity, destroyed Fort Norris, abandoned Fort Northkill, abandoned Fort Pitt, partially reconstructed, open to the public Fort Presque Isle, destroyed Fort Prince George, destroyed Fort Robert Smalls, destroyed Fort Roberdeau, reconstructed, open to the public Fort Robinson, abandoned Fort Shirley, abandoned Fort Swatara, abandoned Fort Venango, destroyed Heinrich Zeller House, open to the public
Puerto Rico Fort Amezquita Fort Buchanan, Puerto Rico El Cañuelo Fort San Cristóbal (Puerto Rico) Fort San Felipe del Morro Fortín de San Gerónimo Fuerte de Vieques
Rhode Island
Fort Adams, open to the public Fort Barton, open to the public Fort Burnside, open to the public Fort Church Fort Dumpling, open to the public Fort Getty, open to the public Fort Greble Fort Greene (1794), abandoned Fort Greene (1943) Fort Hamilton Fort Kearny, open to the public Fort Mansfield, open to the public Fort Ninigret, open to the public Queen's Fort, open to the public Fort Varnum Fort Wetherill, open to the public Fort Wolcott, destroyed
South Carolina
The Battery Fort Charlotte Fort Fremont Fort Howell Fort Jackson Fort Johnson Fort Lyttelton Fort Motte Fort Moultrie Old Ninety Six and Star Fort Castle Pinckney Fort Prince George Fort Sumter Fort Wagner Fort Walker
South Dakota
Fort Bennett Fort James, abandoned Fort Meade, abandoned Fort Randall, open to the public Fort Sisseton, open to the public Fort Sully, abandoned
Tennessee
Texas
The Alamo Fort Bliss Fort Brown Fort Cavazos Fort Concho Fort Crockett Fort D. A. Russell Fort Davis Fort Saint Louis Fort San Jacinto Fort Travis Fort Worth
Utah Fort Buenaventura Cove Fort Fort Cameron Fort Deseret Fort Douglas Fort Duchesne Fort Utah
Vermont
Brattleboro Barracks Champlain Arsenal Chimney Point Fort Dummer Fort Ethan Allen