Castle of the PlainsBent's Old Fort
Bent's Old Fort National Historic Site features a reconstructed 1840s adobe fur trading post on the mountain branch of the Santa Fe Trail.
Perched 422 feet above San Diego BayCabrillo National Monument
In 1899, the War Department dedicated Fort Rosecrans which provided vital coastal and harbor defenses to San Diego during WWI and WWII.
America Begins HereCastillo de San Marcos National Monument
The oldest masonry fort in the US and only surviving 17th century military construction in the country still stands in St. Augustine, FL.
A History as Diverse as NYC ItselfCastle Clinton
Located at the southern tip of Manhattan Island, Castle Clinton stands where New York City began and transformed with a city and a nation.
Fort Christiansvaern: A Danish FortChristiansted National Historic Site
Christiansted NHS is a reminder of the architectural, cultural, economic, and political influence of Europe on the Caribbean.
Defending the Nation's CapitalCivil War Defenses of Washington
On forested hills surrounding the nation's capital are the remnants of a complex system of Civil War fortifications.
Home of Magnificent Fort JeffersonDry Tortugas National Park
Located on Garden Key is historic Fort Jefferson, one of the nation’s largest 19th century forts in the United States.
Home to Santa Fe Trail's GuardiansFort Larned National Historic Site
Discover a complete and authentic army post from the 1860s—1870s.
O! say can you see,...Fort McHenry NMHS
The valiant defense of the fort inspired Francis Scott Key to write "The Star-Spangled Banner."
Freedom's FortressFort Monroe National Monument
The story of Virginia's Fort Monroe holds a vital link to a more complete understanding of freedom and equality in the United States.
The Opening Battle of a World WarFort Necessity National Battlefield
The battle at Fort Necessity in the summer of 1754 was the opening action of the French and Indian War. This war was a clash of British, Fre
England's First New World HomeFort Raleigh National Historic Site
Fort Raleigh National Historic Site protects and preserves known portions of England's first New World settlements from 1584 to 1590.
Forging a Nation on the PrairieFort Scott National Historic Site
From 1842 to 1873 Fort Scott and its tallgrass prairie bore witness to the era which forged a young republic into a transcontinental nation.
Two forts and so much moreFort Smith National Historic Site
From 1817 to 1896, Fort Smith National Historic Site preserves almost 80 years of history.
Six Miles Shared by Many NationsFort Stanwix National Monument
Atop an ancient trail used by travelers and traders, Europeans constructed a fort that would play a role in the birth of a nation.
Guarding the City of CharlestonFort Sumter and Fort Moultrie NHP
The first shots of the Civil War were fired at Fort Sumter. Fort Moultrie played a pivotal role in the American Revolutionary War.
A Fort For a Young AmericaFort Union National Monument
For forty years, 1851—1891, Fort Union functioned as an agent of political and cultural change in the Southwest - whether desired or not.
Grandest Fort on the Upper MissouriFort Union Trading Post NHS
From 1828 to 1867, Fort Union was the most important fur trade post on the Upper Missouri River.
The Story of the Pacific NorthwestFort Vancouver National Historic Site
Four sites encompass countless stories of struggle and perseverance, of innovation and conflict, of love and community.
Protecting the Gateway to NYGateway National Recreation Area
Two states, three NYC boroughs, one national park! Gateway NRA contains multiple forts and coastal defenses.
Parks for the PeopleGolden Gate National Recreation Area
The many sites of Golden Gate NRA include various military forts and national icons such as the Presidio and Alcatraz Island.
A Silent Sentinel in New York HarborGovernor's Island National Monument
The islands two forts are intimately tied to the social, political, and economic tapestry of New York City and its artistic future!
The First French FootholdSaint Croix Island IHS
Between today's Maine and Canada and in the eternal Wabanaki homeland, Saint Croix Island IHS preserves a 1604 French Fort site.
A World Heritage SiteSan Juan National Historic Site
Castillo San Felipe del Morro and Castillo San Cristobal have defended San Juan in its past and are a vibrant part of its future.
Outposts on a Great Prairie HighwaySanta Fe National Historic Trail
The Santa Fe National Historic Trail connects many fort sites and interprets the thematic ties that bind the old west.
Liberty Enlightening the WorldStatue of Liberty National Monument
The little known, star shaped, Fort Wood became a part of the Statue's base - the pedestal that sits within its walls.
Birthplace of the NPSYellowstone National Park
The National Park Service has its roots in Fort Yellowstone, where the US Cavalry protected Yellowstone from poachers and souvenir hunters.
Additional Parks with Forts
Fort Donelson National Battlefield - KY, TN
Fort Washington Park - MD
Gulf Islands National Seashore - FL, MS
Nez Perce National Historical Park - ID, MT, OR, WA
Rock Creek Park - DC
Last updated: January 4, 2023