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2,085 parks
Anderson Ranch Reservoir Boat Ramps
Idaho
Anderson Ranch Reservoir is formed by Anderson Ranch Dam which is part of the Boise Project. Recreation on thi…

Andersonville National Historic Site
Georgia
Nearly 13,000 men died on these grounds, a site that became infamous even before the Civil War ended. Their bu…
Andrew Johnson National Historic Site
Kentucky
Andrew Johnson's complex presidency (1865-69) illustrates the Constitution at work following the Civil War. As…

Angel Peak Scenic Area
New Mexico
Angel Peak Scenic Area covers over 10,000 acres of rugged badlands and features dramatic views of Angel Peak—a…
Angostura Reservoir
Wyoming
The Angostura Dam and Reservoir are located at the southeast edge of the Black Hills on the Cheyenne River in …

Aniakchak National Monument & Preserve
Alaska
Given its remote location and challenging weather conditions, Aniakchak is one of the most wild and least visi…
Anita Reservoir
Montana
Anita Dam and Reservoir, features of the Huntley Project, are located 6 miles southeast of Ballantine, Montana…

Antelope Island State Park
Utah
The road to Antelope Island State Park, 25 miles north of Salt Lake City, is a 20-minute straight shot west, b…

Antelope Wilderness Study Area
New Mexico
The Antelope WSA is an open landscape that provides 360-degree views of rolling desert prairie. It is adjacent…

Antietam National Battlefield
District of Columbia
23,000 soldiers were killed, wounded or missing after twelve hours of savage combat on September 17, 1862. The…

Antioch Dunes National Wildlife Refuge
California
Antioch Dunes National Wildlife Refuge is the only national wildlife refuge in the country established to prot…

Apache Box Wilderness Study Area
Arizona
The Apache Box WSA is located in southwestern New Mexico. The namesake feature, Apache Box, is a deep narrow c…

Apache-Sitgreaves National Forest
Arizona

Apalachicola National Estuarine Research Reserve
Georgia
The Apalachicola Bay Reserve protects one of the most productive estuarine systems in the Northern Hemisphere,…

Apostle Islands National Lakeshore
Minnesota
Apostle Islands National Lakeshore, located at the northern tip of Wisconsin's Bayfield Peninsula, features 21…

Appalachian National Scenic Trail
Pennsylvania
The Appalachian Trail is a 2,190+ mile long public footpath that traverses the scenic, wooded, pastoral, wild,…

Appomattox Court House National Historical Park
Virginia
On April 9, 1865, the surrender of the Army of Northern Virginia in the McLean House in the village of Appomat…
Arabia Mountain National National Heritage Area
Georgia
For millions of years, granite monadnocks have stood watch over the rivers and forests of Georgia. These breat…

Aransas National Wildlife Refuge
Texas
What is today known as Aransas National Wildlife Refuge first emerged 120,000 years ago during the Pleistocene…

Arapaho & Roosevelt National Forests Pawnee NG
Colorado
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Aravaipa Canyon Wilderness
With towering cliffs, flowing water and a rich diversity of flora and fauna, Aravaipa Canyon Wilderness remain…
Arbuckle Lake
Oklahoma
Lake of the Arbuckles is forned by Arbuckle Dam which is a feature of the Arbuckle Project. The lake is locate…
Arcadia Diversion Dam
Nebraska
Arcadia Diversion Dam is on the Middle Loup River about 8.5 miles upstream from Arcadia, Nebraska. The projec…
Arches National Park
Utah
Discover a landscape of contrasting colors, land forms, and textures unlike any other. The park has over 2,000…