Find A Fort

Castle of the Plains

Bent'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 Bay

Cabrillo 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 Here

Castillo 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 Itself

Castle 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 Fort

Christiansted 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 Capital

Civil 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 Jefferson

Dry 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 Guardians

Fort 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 Fortress

Fort 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 War

Fort 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 Home

Fort 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 Prairie

Fort 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 more

Fort Smith National Historic Site

From 1817 to 1896, Fort Smith National Historic Site preserves almost 80 years of history.

Six Miles Shared by Many Nations

Fort 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 Charleston

Fort 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 America

Fort 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 Missouri

Fort 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 Northwest

Fort 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 NY

Gateway National Recreation Area

Two states, three NYC boroughs, one national park! Gateway NRA contains multiple forts and coastal defenses.

Parks for the People

Golden 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 Harbor

Governor'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 Foothold

Saint 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 Site

San 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 Highway

Santa 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 World

Statue 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 NPS

Yellowstone National Park

The National Park Service has its roots in Fort Yellowstone, where the US Cavalry protected Yellowstone from poachers and souvenir hunters.