NPS Data Leak

In early 2026, National Parks Service data was flagged for review under EO14253/SO3431 “Restoring Truth and Sanity to American History.” Save Our Signs came up with a StoryMap to view it.

View the Report and StoryMap

America 433+ parks link to matches in the data leak with an issue to report:

169 parks

Acadia National Park

Maine National Park

Agate Fossil Beds National Monument

Nebraska National Monument

Amache National Historic Site

Colorado National Historic Site

District of Columbia

Andersonville National Historic Site

Georgia National Historic Site

Andrew Johnson National Historic Site

Tennessee National Historic Site

Antietam National Battlefield

Maryland National Battlefield

Arches National Park

Utah National Park

Arkansas Post National Memorial

Arkansas National Memorial

Arlington House, The Robert E. Lee Memorial

Virginia National Memorial

Belmont-Paul Women’s Equality National Monument

District of Columbia National Monument

Bent’s Old Fort National Historic Site

Colorado National Historic Site

Big Bend National Park

Texas National Park

Big Cypress National Preserve

Florida National Preserve

Birmingham Civil Rights National Monument

Alabama National Monument

Biscayne National Park

Florida National Park

Blackwell School National Historic Site

Texas National Historic Site

Blue Ridge Parkway

North Carolina Virginia National Parkway

Brown v. Board of Education National Historical Park

Kansas National Historical Park

Bryce Canyon National Park

Utah National Park

Buck Island Reef National Monument

U.S. Virgin Islands National Monument

Camp Nelson National Monument

Kentucky National Monument

Canaveral National Seashore

Florida National Seashore

Cane River Creole National Historical Park

Louisiana National Historical Park

Canyon de Chelly National Monument

Arizona National Monument

Canyonlands National Park

Utah National Park

Cape Cod National Seashore

Massachusetts National Seashore

Cape Hatteras National Seashore

North Carolina National Seashore

Carl Sandburg Home National Historic Site

North Carolina National Historic Site

Carter G. Woodson Home National Historic Site

District of Columbia National Historic Site

Castillo de San Marcos National Monument

Florida National Monument

Catoctin Mountain Park

Maryland Other Designation

Chaco Culture National Historical Park

New Mexico National Historical Park

Charles Pinckney National Historic Site

South Carolina National Historic Site

Charles Young Buffalo Soldiers National Monument

Ohio National Monument

Chattahoochee River National Recreation Area

Georgia National Recreation Area

Chesapeake & Ohio Canal National Historical Park

District of Columbia Maryland West Virginia National Historical Park

Chickamauga & Chattanooga National Military Park

Georgia Tennessee National Military Park

Christiansted National Historic Site

U.S. Virgin Islands National Historic Site

Colonial National Historical Park

Virginia National Historical Park

Congaree National Park

South Carolina National Park

Cowpens National Battlefield

South Carolina National Battlefield

Cumberland Gap National Historical Park

Kentucky Tennessee Virginia National Historical Park

Cumberland Island National Seashore

Georgia National Seashore

Dayton Aviation Heritage National Historical Park

Ohio National Historical Park

Delaware Water Gap National Recreation Area

New Jersey Pennsylvania National Recreation Area

Dinosaur National Monument

Colorado Utah National Monument

Dry Tortugas National Park

Florida National Park

Edgar Allan Poe National Historic Site

Pennsylvania National Historic Site

Effigy Mounds National Monument

Iowa National Monument

Emmett Till and Mamie Till-Mobley National Monument

Illinois Mississippi National Monument

Everglades National Park

Florida National Park

First Ladies National Historic Site

Ohio National Historic Site

Ford’s Theatre National Historic Site

District of Columbia National Historic Site

Fort Davis National Historic Site

Texas National Historic Site

Fort Donelson National Battlefield

Kentucky Tennessee National Battlefield

Fort Frederica National Monument

Georgia National Monument

Fort Larned National Historic Site

Kansas National Historic Site

Fort Matanzas National Monument

Florida National Monument

Fort McHenry National Monument and Historic Shrine

Maryland National Monument

Fort Monroe National Monument

Virginia National Monument

Fort Pulaski National Monument

Georgia National Monument

Fort Raleigh National Historic Site

North Carolina National Historic Site

Fort Scott National Historic Site

Kansas National Historic Site

Fort Sumter and Fort Moultrie National Historical Park

South Carolina National Historical Park

Frederick Douglass National Historic Site

District of Columbia National Historic Site

Fredericksburg & Spotsylvania National Military Park

Virginia National Military Park

Freedom Riders National Monument

Alabama National Monument

Gateway Arch National Park

Missouri National Park

Gateway National Recreation Area

New Jersey New York National Recreation Area

George Washington Birthplace National Monument

Virginia National Monument

George Washington Memorial Parkway

District of Columbia Virginia National Parkway

Glacier National Park

Montana National Park

Glen Canyon National Recreation Area

Arizona Utah National Recreation Area

Golden Spike National Historical Park

Utah National Historical Park

Grand Canyon National Park

Arizona National Park

Grand Teton National Park

Wyoming National Park

Grant-Kohrs Ranch National Historic Site

Montana National Historic Site

Great Falls Park

Great Smoky Mountains National Park

North Carolina Tennessee National Park

Guilford Courthouse National Military Park

North Carolina National Military Park

Gulf Islands National Seashore

Florida Mississippi National Seashore

Harpers Ferry National Historical Park

Maryland Virginia West Virginia National Historical Park

Hawaiʻi Volcanoes National Park

Hawaii National Park

Homestead National Historical Park

Nebraska National Historical Park

Hopewell Furnace National Historic Site

Pennsylvania National Historic Site

Horseshoe Bend National Military Park

Alabama National Military Park

Hot Springs National Park

Arkansas National Park

Hubbell Trading Post National Historic Site

Arizona National Historic Site

Ice Age National Scenic Trail

Wisconsin National Scenic Trail

Independence National Historical Park

Pennsylvania National Historical Park

Indiana Dunes National Park

Indiana National Park

Isle Royale National Park

Michigan National Park

Jean Lafitte National Historical Park and Preserve

Louisiana National Historical Park

Jimmy Carter National Historical Park

Georgia National Historical Park

Kings Mountain National Military Park

South Carolina National Military Park

Lincoln Home National Historic Site

Illinois National Historic Site

Lincoln Memorial

District of Columbia National Memorial

Little Bighorn Battlefield National Monument

Montana National Monument

Lowell National Historical Park

Massachusetts National Historical Park

Mammoth Cave National Park

Kentucky National Park

Manassas National Battlefield Park

Virginia National Battlefield Park

Marsh-Billings-Rockefeller National Historical Park

Vermont National Historical Park

Medgar and Myrlie Evers Home National Monument

Mississippi National Monument

Mesa Verde National Park

Colorado National Park

Mojave National Preserve

California National Preserve

Monocacy National Battlefield

Maryland National Battlefield

Morristown National Historical Park

New Jersey National Historical Park

Mount Rushmore National Memorial

South Dakota National Memorial

Muir Woods National Monument

California National Monument

Natchez Trace National Scenic Trail

Alabama Mississippi Tennessee National Scenic Trail

Natchez Trace Parkway

Alabama Mississippi Tennessee National Parkway

National Mall and Memorial Parks

District of Columbia Other Designation

National Park of American Samoa

American Samoa National Park

Navajo National Monument

Arizona National Monument

Ninety Six National Historic Site

South Carolina National Historic Site

Ocmulgee Mounds National Historical Park

Georgia National Historical Park

Olympic National Park

Washington National Park

Organ Pipe Cactus National Monument

Arizona National Monument

Oxon Cove Park & Oxon Hill Farm

Padre Island National Seashore

Texas National Seashore

Palo Alto Battlefield National Historical Park

Texas National Historical Park

Paterson Great Falls National Historical Park

New Jersey National Historical Park

Petersburg National Battlefield

Virginia National Battlefield

Sometimes also called Pictured Rocks National Lakeshore.

Michigan National Lakeshore

Pipestone National Monument

Minnesota National Monument

Piscataway Park

Maryland Other Designation

President William Jefferson Clinton Birthplace Home National Historic Site

Arkansas National Historic Site

Prince William Forest Park

Virginia Other Designation

Pullman National Historical Park

Illinois National Historical Park

Reconstruction Era National Historical Park

South Carolina National Historical Park

Redwood National and State Parks

California National Park

River Raisin National Battlefield Park

Michigan National Battlefield Park

Rock Creek Park

District of Columbia Other Designation

Rocky Mountain National Park

Colorado National Park

Salt River Bay National Historical Park and Ecological Preserve

U.S. Virgin Islands National Historical Park

San Antonio Missions National Historical Park

Texas National Historical Park

San Juan Island National Historical Park

Washington National Historical Park

San Juan National Historic Site

Puerto Rico National Historic Site

Sand Creek Massacre National Historic Site

Colorado National Historic Site

Scotts Bluff National Monument

Nebraska National Monument

Selma to Montgomery National Historic Trail

Sequoia & Kings Canyon National Parks

California National Park

Sitka National Historical Park

Alaska National Historical Park

Sleeping Bear Dunes National Lakeshore

Michigan National Lakeshore

Stones River National Battlefield

Tennessee National Battlefield

Sunset Crater Volcano National Monument

Arizona National Monument

Tallgrass Prairie National Preserve

Kansas National Preserve

The White House and President’s Park

District of Columbia Other Designation

Theodore Roosevelt Island

District of Columbia National Memorial

Theodore Roosevelt National Park

North Dakota National Park

Thomas Stone National Historic Site

Maryland National Historic Site

Timucuan Ecological & Historical Preserve

Tonto National Monument

Arizona National Monument

Ulysses S. Grant National Historic Site

Missouri National Historic Site

Vicksburg National Military Park

Louisiana National Military Park

Virgin Islands Coral Reef National Monument

U.S. Virgin Islands National Monument

Virgin Islands National Park

U.S. Virgin Islands National Park

Voyageurs National Park

Minnesota National Park

Also sometimes called War In The Pacific National Historical Park.

Guam National Historical Park

Washington Monument

District of Columbia National Memorial

Weir Farm National Historical Park

Connecticut National Historical Park

Wilson’s Creek National Battlefield

Missouri National Battlefield

Wind Cave National Park

South Dakota National Park

Wright Brothers National Memorial

North Carolina National Memorial

Wupatki National Monument

Arizona National Monument

Yosemite National Park

California National Park

Zion National Park

Utah National Park