Forts & fortresses in United States
300 forts & fortresses in United States. Data from Wikidata and Wikipedia.
"A" Fort and Battery Hill Redoubt-Camp Early "A" Fort and Battery Hill Redoubt-Camp Early, also known as Measles Fort, is a historic Am… Acushnet Fort Acushnet Fort was a fort that existed from 1776 to around 1820 on Eldridge Point in New Be… Apalachicola Fort Site The Apalachicola Fort Site is an archaeological site near Holy Trinity, Alabama, United St… Barneys Joy Point Military Reservation Barneys Joy Point Military Reservation was a World War II coastal defense site located in … Battery Cameron Battery Cameron was a Union Army defensive site during the Civil War. Battery Cameron was … Battery Garesché Battery Garesche or Battery Garesché was a Union Army artillery battery built as part of t… Battery Rodgers Battery Rodgers was a gun emplacement that composed a portion of the American Civil War de… Battle of Pilot Knob State Historic Site Fort Davidson, a fortification near the town of Pilot Knob, Missouri, was the site of the … Bear Creek Redoubt The Bear Creek Redoubt near Ashland, Kansas was listed on the National Register of Histori… Bent's New Fort Bent's New Fort was a historic fort and trading post along the banks of the Arkansas River… Bent's Old Fort National Historic Site Bent's Old Fort is a historical fort located in Otero County in southeastern Colorado, Uni… Beverly Fort Beverly Fort was a fort that existed from 1775 to 1776 during the American Revolutionary W… Blockhouse No. 1 Blockhouse No. 1, colloquially known as The Blockhouse, is a small fort in the North Woods… Brewster Islands Military Reservation Brewster Islands Military Reservation was a coastal defense site located on Great Brewster… Burlingame's Fort In 1862 the citizens of Burlingame, Kansas, constructed a stone fort around the town well,… Butler Point Military Reservation Butler Point Military Reservation was a coastal defense site located in Marion, Massachuse… Calf Island Military Reservation Calf Island Military Reservation was a World War II coastal defense site located on Calf I… Camp Hudson Camp Hudson, later Fort Hudson, was located on the west bank of the Devils River, below th… Camp Nichols Camp Nichols, also known as Fort Nichols or Camp Nichols Ranch, was a short-lived historic… Camp Varnum Camp Varnum is a Rhode Island Army National Guard training facility in the Boston Neck are… Camp on Pawnee Fork The Camp on Pawnee Fork, later renamed Camp Alert, was founded by the U.S. Army to protect… Cantonment Burgwin Cantonment Burgwin (also known as Fort Burgwin) was a U.S. Army fort in the southwestern U… Cantonment Martin Cantonment Martin was intended to be a temporary Army camp to provide support for an engin… Casemate Fort, Whiting Quadrangle Casemate Fort, Whiting Quadrangle, also known as "Old Casemate," Officers Club Bldg. #207,… Castillo San Cristóbal Castillo San Cristóbal (English: Saint Christopher Castle) is a fortress in the Old San Ju… Castillo San Felipe del Morro Castillo San Felipe del Morro (English: Promontory Castle of Saint Philip), most commonly … Castillo de San Marcos The Castillo de San Marcos (Spanish for “St. Mark’s Castle”) is the oldest masonry fort in… Castle Clinton Castle Clinton (also known as Fort Clinton and Castle Garden) is a restored circular sands… Castle Pinckney Castle Pinckney is a small masonry fortification constructed by the United States governme… Castle Williams Castle Williams is a circular fortification of red sandstone on the northwest point of Gov… Cimarron Redoubt The Cimarron Redoubt (also known as the Deep Hole Redoubt) was an improvised U.S. Army for… Cove Fort Cove Fort is a fort, unincorporated community, and historical site located in Millard Coun… Eastern Point Fort Eastern Point Fort was a fort that was garrisoned or maintained from 1863 to 1867 on Easte… El Cañuelo Fortín San Juan de la Cruz (English: Fort Saint John of the Cross), most commonly known as… El Orcoquisac Archeological District El Orcoquisac Archeological District is a registered U.S. historic site located near Galve… Fort Abercrombie Fort Abercrombie, in North Dakota, was a United States Army fort established by authority … Fort Adair Fort Adair (sometimes called Adair's Station) was a stockade fortification that served as … Fort Adams Fort Adams is a former United States Army post in Newport, Rhode Island, that was establis… Fort Albany Fort Albany was a bastioned earthwork that the Union Army built in Arlington County (known… Fort Alexander Fort Alexander was one of the three forts built by Georg Anton Schäffer on island of Kauai… Fort Amsterdam Fort Amsterdam (later Fort George, among other names) was a fortification on the southern … Fort Anderson Fort Anderson Fort Anderson is a mid-19th-century earthen fort in the lower Cape Fear Region of North Ca… Fort Andrew Fort Andrew is a former fort built as Gurnet Fort in 1776 for the American Revolutionary W… Fort Andrews Fort Andrews was created in 1897 as part of the Coast (later Harbor) Defenses of Boston, M… Fort Antes Fort Antes was a stockade surrounding the home of Colonel John Henry Antes, built circa 17… Fort Arbuckle Fort Arbuckle was constructed by the US Army in 1850 to counter raids by Plains Indian tri… Fort Arbuckle Fort Arbuckle was a fort in Florida. Built in 1850, it was "part of the ring of civilian a… Fort Armistead Fort Armistead was a United States Army coastal defense fort, active from 1901 to 1920, th… Fort Armistead Fort Armistead was a U.S. Army fort in the Cherokee National Forest near Coker Creek, Tenn… Fort Armstrong Fort Armstrong (1816–1836), was one of a chain of western frontier defenses which the Unit… Fort Armstrong Fort Armstrong was a stockade fort built in present-day Cherokee County, Alabama during th… Fort Armstrong Fort Armstrong, Hawaii was a Coast Artillery Fort built in 1907 and named after Brigadier … Fort Assumption Fort Assumption (or Fort De L'Assomption) was a French fortification constructed in 1739 o… Fort Atkinson Fort Atkinson, 2 miles (3.2 km) west of Dodge City, had two lives. One life occurred befor… Fort Atkinson Fort Atkinson was the first United States Army post to be established west of the Missouri… Fort Atkinson Fort Atkinson State Preserve is a state preserve of Winneshiek County, Iowa, United States… Fort Aubrey Fort Aubrey, in eastern Hamilton County, Kansas, was established by the US Army in the 185… Fort Bain Fort Bain (also called "Fort Bourbon") was a log house in the Kansas Territory built in 18… Fort Bainbridge Fort Bainbridge was an earthen fort located along the Federal Road on what is today the co… Fort Baker Fort Baker, in Humboldt County, California, United States, was an outpost of the Union Arm… Fort Baldwin Fort Baldwin is a former coastal defense fortification near the mouth of the Kennebec Rive… Fort Banks Fort Banks was a U.S. Coast Artillery fort located in Winthrop, Massachusetts. It served t… Fort Barrancas Fort Barrancas (1839) or Fort San Carlos de Barrancas (from 1787) is a United States milit… Fort Barry Fort Barry is a former United States Army installation on the West Coast of the United Sta… Fort Bascom Fort Bascom, established in 1863 in New Mexico Territory, is located on the Canadian River… Fort Basinger Fort Basinger's original site is located approximately 35 miles (56 km) west of Fort Pierc… Fort Baxter Fort Baxter, also known as Fort Blair, was a small US Army post located in the southeast c… Fort Bayard Fort Bayard was an earthwork fort constructed in 1861 northwest of Tenleytown in the Distr… Fort Bayard The Fort Bayard Historic District encompasses the area that was the location of Fort Bayar… Fort Beauharnois Fort Beauharnois (French pronunciation: [fɔʁ boaʁnwa]) was a French fort, serving as a fur… Fort Beauregard Fort Beauregard, located half a mile north of the village of Harrisonburg, Catahoula Paris… Fort Belknap Fort Belknap, located near Newcastle, Texas, was established in November 1851 by brevet Br… Fort Belle Fontaine Fort Belle Fontaine, formerly known as Cantonment Belle Fontaine, is a former U.S. militar… Fort Belmont Fort Belmont, in southern Woodson County, Kansas, was built about 1860 near the town of Be… Fort Bend Fort Bend was a blockhouse built in a large bend of the Brazos River in what is now Fort B… Fort Benjamin Hawkins Fort Hawkins was a fort built between 1806 and 1810 by the United States Army during Presi… Fort Bennett Fort Bennett was originally called the Post at Cheyenne River Agency and was established d… Fort Benson Fort Benson was a fortified homestead created in 1857 in present-day Colton in San Bernard… Fort Benton Fort Benton, also known as Fort Hill, is a historic American Civil War fortification locat… Fort Berthold Fort Berthold was the name of two successive forts on the upper Missouri River in present-… Fort Beversreede Fort Beversreede (after 1633–1651) was a Dutch-built palisaded factorij located near the c… Fort Bibb Fort Bibb was a stockade fort built in present-day Butler County, Alabama during the First… Fort Blair In spring and possibly through summer 1864, three blockhouses were constructed to help def… Fort Boise Fort Boise is either of two different locations in the Western United States, both in sout… Fort Bonneville Fort Bonneville is the site of a former fort along the Green River in Sublette County, Wyo… Fort Bowie Fort Bowie was a 19th-century outpost of the United States Army located in southeastern Ar… Fort Bowyer Fort Bowyer was a short-lived earthen and stockade fortification that the United States Ar… Fort Branch Fort Branch was a fort built by the Confederate Army especially to defend against attacks … Fort Brewerton Fort Brewerton is a historic fort site located at Brewerton in Oswego County, New York. It… Fort Bridger Fort Bridger was originally a 19th-century fur trading outpost established in 1842, on Bla… Fort Brooks Fort Brooks, in northwest Clay County, Kansas, was located three miles west of Clifton, Ka… Fort Brown Fort Brown (originally Fort Texas) was a military post of the United States Army in Camero… Fort Buchanan Fort Buchanan was a US Army post founded in 1856 three miles southwest of present-day Sono… Fort Buchanan Fort Buchanan was built in 1857 as a combination town and fort by Capt. Richard Mobley, wh… Fort Buffington Fort Buffington, garrisoned from October 1837 through early July 1838, was a Cherokee remo… Fort Buford Fort Buford was a United States Army Post at the confluence of the Missouri and Yellowston… Fort Buhlow Fort Buhlow is an American Civil War fort site located in Pineville, Louisiana. It was add… Fort Bull Fort Bull was located at the Oneida Carry in British North America (now New York, United S… Fort Bunker Hill Fort Bunker Hill was one of seven temporary earthwork forts of the Civil War Defenses of W… Fort C. F. Smith Fort C.F. Smith was a lunette that the Union Army constructed in Alexandria County (now Ar… Fort C. F. Smith Fort C. F. Smith was a military post established in the Powder River country by the United… Fort Caben Fort Caben was a Second Seminole War fort in Flagler County, Florida. In 1958, a report li… Fort Cameron Fort Cameron was a United States Military installation, located east of Beaver, Utah, and … Fort Cap au Gris Fort Cap au Gris, also called Capo Gray, was a temporary fort built in September 1814 near… Fort Carillon Fort Carillon, presently known as Fort Ticonderoga, was constructed by Pierre de Rigaud de… Fort Carlos III Fort Carlos III was a Spanish fort located at the Écores Rouges, Luisiana, within the pres… Fort Carney Fort Carney was a stockade fort built in 1813 in present-day Clarke County, Alabama, durin… Fort Caroline Fort Caroline was an attempted French colonial settlement in Florida, located on the banks… Fort Carondelet Fort Carondelet was a fort located along the Osage River in Vernon County, Missouri, const… Fort Carroll Fort Carroll is a 3.4-acre (1.4 ha) artificial island and abandoned hexagonal sea fort in … Fort Cascades Fort Cascades was a United States Army fort constructed in 1855 to protect the portage roa… Fort Casey Fort Casey was a 19th-century defensive fortification built on Whidbey Island, Island Coun… Fort Casey Fort Casey was a historical military post situated on Useppa Island in Charlotte Harbor, F… Fort Casimir Fort Casimir was a Dutch fort in the seventeenth-century colony of New Netherland. It was … Fort Caspar Fort Caspar was a military post of the United States Army in present-day Wyoming, named af… Fort Cass Fort Cass, named for U.S. Secretary of War Lewis Cass (1782–1866), was a fort located on t… Fort Caswell Historic District The Fort Caswell Historic District is located on the Atlantic Coast of North Carolina, US,… Fort Charlotte Fort Charlotte, Mobile (Fort Condé de la Mobille and Fuerte Carlota de Mobila) is a partia… Fort Chevalier de Repentigny Fort Chevalier de Repentigny was a French Fort in what is now Sault Ste. Marie, Michigan t… Fort Christian Fort Christian is a Dano-Norwegian-built fort in Charlotte Amalie, Saint Thomas, U.S. Virg… Fort Christina Fort Christina, also called Fort Altena, was the first Swedish settlement in North America… Fort Christmas Fort Christmas was built in present-day Christmas, Florida during the Second Seminole War.… Fort Church Fort Church was a World War II United States Army coastal defense fort in Little Compton, … Fort Clark Fort Clark was a frontier fort located just off U.S. Route 90 near Brackettville, in Kinne… Fort Clatsop Fort Clatsop was the encampment of the Lewis and Clark Expedition in the Oregon Country ne… Fort Clifton Fort Clifton was a 19th-century fort in Kansas. It was built in August 1862 by settlers fr… Fort Clinch Fort Clinch is a 19th-century masonry coastal fortification, built as part of the Third Sy… Fort Clinton West Point is a census-designated place in Orange County, New York, United States. It is t… Fort Cobb Fort Cobb was a United States Army post established in what is now Caddo County, Oklahoma … Fort Cocke Fort Cocke was a stockade, made of wooden palisades up stream from Fort Ashby. It was a sq… Fort Colvin Fort Colvin, also known as Covill's Fort and Colvin House, is a historic home located near… Fort Concho Fort Concho is a former United States Army installation and National Historic Landmark Dis… Fort Conrad Fort Conrad was a U.S. Army fort established in Socorro County, New Mexico Territory in 18… Fort Conti Fort Conti was built in early 1679 at the mouth of the Niagara River on Lake Ontario as a … Fort Corcoran Fort Corcoran was a wood-and-earthwork fortification constructed by the Union Army in nort… Fort Cowlitz Fort Cowlitz or Cowlitz Farm was an agricultural operation by the British Puget Sound Agri… Fort Craig Fort Craig was a U.S. Army fort located along El Camino Real de Tierra Adentro, near Eleph… Fort Craig Fort Craig was a small lunette that the Union Army constructed in September 1861 in Arling… Fort Crevecoeur Fort Crevecoeur (Fort Crèvecœur) was the first public building erected by Europeans within… Fort Cricket Hill Fort Cricket Hill is an historic American Revolutionary War site in Mathews County, Virgin… Fort Crockett Fort Crockett is a government reservation on Galveston Island overlooking the Gulf of Mexi… Fort Cronkhite Fort Cronkhite is one of the components of California's Golden Gate National Recreation Ar… Fort Crook Fort Crook was a U. S. Army post, first established as Camp Hollenbush in 1857, in Shasta … Fort Crowder Fort Crowder was a U.S. Army post located in Newton and McDonald counties in southwest Mis… Fort Crown Point Fort Crown Point was built by the combined efforts of British and Colonial troops from New… Fort Cumberland Fort Cumberland (built 1754) was an 18th-century frontier fort at the current site of Cumb… Fort Cummings Fort Cummings is a former U. S. Army post located near Cooke's Springs, in Luna County, Ne… Fort Curtis Fort Hovey was a small Civil War era earth-and-wood fort built on a hill overlooking the j… Fort Custer Fort Custer was established during the Indian wars in the Department of Dakota by the U.S.… Fort D Fort Daniel Fort Daniel was a fort in Georgia, United States. Located on Hog Mountain in modern-day Gw… Fort Darling Fort Darling (Drewry's Fort, Drewry's Bluff) was a Confederate military installation durin… Fort Davis Fort Davis, Oklahoma was established in 1861 on the south bank of the Arkansas River two a… Fort Dawes Fort Dawes was a World War II Coast Artillery fort located on Deer Island in Winthrop/Bost… Fort Dayton Fort Dayton was an American Revolutionary War fort located on the north side of the Mohawk… Fort De La Boulaye Fort De La Boulaye Site, also known as Fort Mississippi, is the site of a fort built by th… Fort DeRussy Fort DeRussy was an American Civil War-era fortification constructed in 1861 on a hilltop … Fort DeRussy Fort DeRussy, located south of Alexandria, Louisiana, and four miles (6 km) north of Marks… Fort DeWolf Fort DeWolf was an American Civil War fort located just south of Shepherdsville, Kentucky.… Fort Dearborn Fort Dearborn was a United States fort, first built in 1803 beside the Chicago River, in w… Fort Decatur Fort Decatur was an earthen fort established in March 1814 on the banks of the Tallapoosa … Fort Defiance Fort Defiance (formerly also known as Fort Sevier and Fort Bruce) was a fort built during … Fort Defiance Fort Defiance was an American military fortification built in 1794 during the Northwest In… Fort Defiance Fort Defiance was one of the last garrisoned stockade forts constructed in territorial Wis… Fort Defiance Fort Defiance was a fort that existed from 1794 to after 1865 on Fort Point in Gloucester,… Fort Delaware Fort Delaware is a former harbor defense facility, designed by chief engineer Joseph Gilbe… Fort Deseret Fort Deseret is a former fort located in northeastern Millard County, Utah, United States,… Fort Detroit Fort Pontchartrain du Détroit or Fort Detroit (1701–1796) was a French and later British f… Fort Dette Fort Dette, or as it was sometimes known, Star Fort, was a double-deck fortification built… Fort Dickinson Wilkes-Barre (WILKS-bair (ee) or WILKS-bar) is a city in Pennsylvania, which functions as … Fort Dinwiddie Fort Dinwiddie (1755–1789) was a base for the Virginia Militia during the French and India… Fort Dobbs Fort Dobbs was an 18th-century fort in the Yadkin–Pee Dee River Basin region of the Provin… Fort Dodge The site of Fort Dodge in the U.S. state of Kansas was originally an old campground for wa… Fort Donelson Fort Donelson was a fortress built early in 1862 by the Confederacy during the American Ci… Fort Douglas Fort Douglas (initially called Camp Douglas) was established in October 1862, during the A… Fort Drinkwater Fort Drinkwater, in western Chase County, Kansas, was built in 1857 by Orlo H. Drinkwater … Fort Drummond Fort Drummond, also known as Fort Colyer or Fort Collier, is a military fort located on th… Fort DuPont Fort DuPont, named in honor of Rear Admiral Samuel Francis Du Pont, is located between the… Fort Dummer Fort Dummer was built in the winter of 1724 in what is now the Town of Brattleboro in sout… Fort Duncan Fort Duncan was a United States Army base, set up to protect the first U.S. settlement on … Fort Dupuy Fort Depuy, sometimes referred to in contemporary documents as Depui's Fort, Dupui's Fort,… Fort Duquesne Fort Duquesne (dew-KAYN, [dykɛːn], originally called Fort Du Quesne) was a fort establishe… Fort Duvall Fort Duvall was a Coast Artillery fort, part of the Harbor Defenses of Boston, in Massachu… Fort Early Fort Early was on the Flint River, in the southwest corner of modern Crisp County, Georgia… Fort Edward Johnson Fort Edward Johnson was a series of Confederate States of America (CSA) military breastwor… Fort Egbert Fort Elizabeth Meagher Fort Elizabeth Meagher, named for the wife of Thomas F. Meagher, secretary and former acti… Fort Elliott Fort Elliott was a United States Army post in the Texas Panhandle, operational between 187… Fort Ellis Fort Ellis was a United States Army fort established August 27, 1867, east of present-day … Fort Ellsworth Fort Ellsworth was a timber and earthwork fortification constructed west of Alexandria, Vi… Fort Ellsworth In 1864 Gen. Samuel R. Curtis established a military camp at the Fort Riley-Fort Larned Ro… Fort Ethan Allen Fort Ethan Allen was an earthwork fortification that the Union Army built in 1861 on the p… Fort Farnsworth Fort Farnsworth is a former Union Army installation now located in the Huntington area of … Fort Fetterman Fort Fetterman was constructed in 1867 by the United States Army on the Great Plains front… Fort Fillmore Fort Fillmore, located at 32°13′30″N 106°42′52″W, was a United States military fortificati… Fort Findlay Fort Findlay was erected in northwestern Ohio in 1812 as part of United States defenses du… Fort Fish Fort Fish was an earthworks fortification within what is now Central Park, Manhattan, New … Fort Fisher Fort Fisher was a Confederate fort during the American Civil War. It protected the vital t… Fort Fizzle Fort Fizzle was a temporary military barricade in the western United States, erected by th… Fort Foote Fort Foote was an American Civil War-era wood and earthwork fort that was part of the wart… Fort Foster Fort Foster, now part of Fort Foster Park, is a historic fort active 1901–1946 on the sout… Fort Franklin Fort Franklin was erected by the British in 1778, in present day Lloyd Harbor, New York, a… Fort Fraser Fort Fraser was a United States Army fortification constructed in November 1837 south of L… Fort Fred Steele State Historic Site Fort Steele, also known as Fort Fred Steele, was established to protect the newly built Un… Fort Frederick Fort Frederick State Park is a Maryland state park on the Potomac River surrounding the re… Fort Frederick Fort Frederick was a formidable blockhouse that was built at the Winooski (then “Onion”) R… Fort Frederik Fort Frederik, also known as Frederiksfort, is a U.S. National Historic Landmark in Freder… Fort Fremont Fort Fremont (sometimes misspelled 'Freemont') was a military installation on Saint Helena… Fort Fulton Fort Fulton was established on February 21, 1840, between Old Kings Road and Pellicer Cree… Fort Gaines Fort Gaines is a historic fort on Dauphin Island, Alabama, United States. It was named for… Fort Gansevoort Fort Gansevoort is a former United States Army fort in the New York City borough of Manhat… Fort Gardiner Fort Gardiner was a stockaded fortification with two blockhouses that was built in 1837 by… Fort Garland Fort Garland (1858–1883), Colorado, United States, was designed to house two companies of … Fort Gates Fort Gates, was a United States Army fort established on October 26, 1849, as Camp Gates b… Fort George Fort George (also sometimes known as Fort Majabigwaduce, Castine, or Penobscot) was a pali… Fort George Fort George was a British fort built in 1778 for the protection of Pensacola, Florida. The… Fort Getty Fort Getty is a town park in Jamestown, Rhode Island, on Conanicut Island in Narragansett … Fort Gibbon Fort Gibson Fort Gibson is a historic military site next to the modern city of Fort Gibson, in Muskoge… Fort Glover Fort Glover was a fort in Marblehead, Massachusetts. Fortifications on the site existed du… Fort Good Hope House of Hope (Huys de Hoop), also known as Fort Good Hope (Fort de Goede Hoop), was a red… Fort Gordon Fort Gordon, formerly known as Fort Eisenhower and Camp Gordon, is a United States Army in… Fort Gorges Fort Gorges is a former United States military fort built on Hog Island Ledge in Casco Bay… Fort Granger Fort Granger was a Union fort built in 1862 in Franklin, Tennessee, south of Nashville, af… Fort Grant Fort Grant is a state prison and a former United States Army fortification in the U.S. sta… Fort Granville Fort Granville was a militia stockade located in the colonial Province of Pennsylvania. It… Fort Gratiot Fort Gratiot was an American stockade fort in Fort Gratiot, Michigan, in Saint Clair Count… Fort Greble Fort Greble was an American Civil War-era Union fortification constructed as part of the d… Fort Green Fort Green is located in northwestern portion of present-day Hardee County, Florida. Twent… Fort Greene Fort Greene is a United States Army Reserve installation in the Point Judith area of Narra… Fort Griswold Fort Griswold is a former American defensive fortification in Groton, Connecticut named af… Fort Guijarros Fort Guijarros (Spanish "Castillo de Guijarros") was a Spanish fort in what is now San Die… Fort H. G. Wright Fort H. G. Wright was a United States military installation on Fishers Island in the town … Fort Halifax Fort Halifax is a former British outpost on the banks of the Sebasticook River, just above… Fort Hall Fort Hall was a fort in the Western United States that was built in 1834 as a fur trading … Fort Halleck Fort Halleck was a military outpost that existed in the 1860s along the Overland Trail and… Fort Hamilton Fort Hamilton was a frontier fort constructed in present-day Wiota, Wisconsin during the 1… Fort Hampton Fort Hampton was a collection of log buildings and stables built in present-day Limestone … Fort Hancock Fort Hancock is a former United States Army fort at Sandy Hook in Middletown Township, New… Fort Hanson Fort Hanson was a blockhouse fortification built in 1838 by the United States Army as one … Fort Harker Fort Harker, located in Kanopolis, Kansas, was an active military installation of the Unit… Fort Harmar Fort Harmar was an early United States frontier military fort, built in pentagonal shape d… Fort Harmony The Fort Harmony Site is a historic site with a monument in New Harmony, Utah. It was esta… Fort Harrison Fort Harrison, later renamed Fort Burnham, was an important component of the Confederate d… Fort Harrison Fort Harrison was a United States military post that existed along the west coast of Flori… Fort Hays Fort Hays, originally named Fort Fletcher, was a United States Army fort near Hays, Kansas… Fort Heath Fort Heath was a US seacoast military installation for defense of the Boston and Winthrop … Fort Henning In spring and probably into summer 1864 Fort Henning was constructed. It, along with Fort … Fort Henry Fort Henry on the Missouri River, located at the mouth of the Yellowstone where it enters … Fort Holmes Fort Holmes is a fortified earthen redoubt located on the highest point of Mackinac Island… Fort Howard Fort Howard was a military installation located on the North Point peninsula, overlooking … Fort Howard Fort Howard was a 19th-century fortification in the north central United States, built by … Fort Howes Fort Howes was a civilian redoubt established in 1897 in what was then Custer County, Mont… Fort Hughes In 1817, during the First Seminole War, Fort Hughes was built on the south side of the Fli… Fort Hunt Fort Hunt Park is a public park located in Fort Hunt, Fairfax County, Virginia. It is admi… Fort Hunter Liggett Fort Hunter Liggett is a United States Army post in Jolon, California, in southern Montere… Fort Hyndshaw Fort Hyndshaw (sometimes referred to in contemporary records as Hyndshaw's Fort, or the Fo… Fort Independence Fort Independence is a granite bastion fort that provided harbor defenses for Boston, Mass… Fort Independence Fort Independence, originally named Camp Independence, was a fort located in the Owens Val… Fort Independence "Fort Independence" is an infrequently used and incorrect alternative name for the extensi… Fort Insley In spring and summer 1864 Fort Blair, Fort Henning and Fort Insley were constructed to hel… Fort Jackson Fort Jackson is a historic masonry fort located 40 miles (64 km) up river from the mouth o… Fort Jackson Fort Toulouse and Fort Jackson are two forts that shared the same site at the fork of the … Fort Jackson Fort Jackson was an American Civil War-era fortification in Virginia that defended the sou… Fort Jackson Fort Jackson was a frontier fort located in Mineral Point, Michigan Territory, and constru… Fort James Fort James was a cavalry fort built in 1866 in Dakota Territory. It was soon decommissione… Fort James Jackson Fort James Jackson (usually shortened to Fort Jackson and informally known as Old Fort Jac… Fort Jay Fort Jay is a coastal bastion fort and the name of a former United States Army post on Gov… Fort Jefferson Fort Jefferson is a former U.S. military coastal fortress in the Dry Tortugas National Par… Fort Jefferson Fort Jefferson was a small 18th-century stockade fort built by Virginia at the mouth of th… Fort Jesup Fort Jesup, also known as Fort Jesup State Historic Site or Fort Jesup or Fort Jesup State… Fort Johnson Fort Johnson was a U.S. Army post built on bluffs overlooking the Mississippi River in mod… Fort Johnson Fort Johnson is a state-owned historic site of military and political significance located… Fort Johnston Fort Johnston was a British fort, later a United States Army post, in Brunswick County, No… Fort Juniper Fort Juniper was a fort that existed from 1775 to 1776 in Salem, Massachusetts during the … Fort Kamehameha Fort Kamehameha was a United States Army military base that was the site of several coasta… Fort Kearny Fort Kearny was a fort constructed during the American Civil War as part of the defenses o… Fort Kearny Fort Kearny was a historic outpost of the United States Army founded in 1848 in the Wester… Fort Kearny Fort Kearny was a coastal defense fort in the Saunderstown area of Narragansett, Rhode Isl… Fort Kent Fort Kent, located at the confluence of the Fish and Saint John rivers in the town of Fort… Fort Keogh Fort Keogh is a former United States Army post located at the western edge of modern Miles… Fort King Fort King (also known as Camp King or Cantonment King) was a United States military fort i… Fort King George Fort King George State Historic Site is a fort located in the U.S. state of Georgia in McI… Fort Klamath Fort Klamath was a military outpost near the western end of the Oregon Trail, between Crat… Fort Knox Fort Knox, now Fort Knox State Park or Fort Knox State Historic Site, is located on the we… Fort Koshkonong Fort Koshkonong (Fort Cosconong) was a military fort located near the present-day city of … Fort L'Huillier Fort L'Huillier (sometimes spelled Le Hillier) was a short-lived fortification in New Fran… Fort La Baye Fort La Baye was a French military post at La Baye (today Green Bay, Wisconsin), originall… Fort Lafayette Fort Lafayette, later renamed Fort Fayette, (1792–1814) was an American fort in Pittsburgh… Fort Lamotte Fort Lamotte was a fort created between 1810 and 1812 by Baptists near Palestine, Illinois… Fort Lane Fort Lane, on the crest of Mount Oread, then southwest of Lawrence, Kansas, was built by t… Fort Lane Fort Lane Military Post was a U.S. Army fort in Jackson County in southern Oregon built in… Fort Lapwai Fort Lapwai (1862–1884) was a federal fort in present-day Lapwai in north central Idaho, U… Fort Laurens Fort Laurens was the only fortification built within the current boundaries of Ohio during… Fort Lawton Fort Lawton was a United States Army post located in the Magnolia neighborhood of Seattle,… Fort Le Boeuf Fort Le Bœuf (often referred to as Fort de la Rivière au Bœuf) was a fort established by t… Fort Levett Fort Levett was a former U.S. Army fort built on Cushing Island, Maine, beginning in 1898.… Fort Ligonier Fort Ligonier is a British fortification from the French and Indian War located in Ligonie… Fort Lincoln Sometime in 1864 a large log blockhouse was removed from Fort Lincoln, Kansas, (see Fort L…