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3,617 parks
Amistad National Recreation Area
Texas
An oasis in the desert, Amistad National Recreation Area consists of the US portion of the International Amist…
Anacostia Park
District of Columbia
Welcome to Anacostia Park, your neighborhood national park in the heart of Washington, DC! Enjoy exercise alon…
Anacostia Park
District of Columbia
Welcome to Anacostia Park, your neighborhood national park in the heart of Washington, DC! Enjoy exercise alon…
Anasazi State Park Museum
Utah
At the base of the towering 11,000-foot Boulder Mountain is the site of what used to be one of the most popula…
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…
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
Tennessee
Andrew Johnson's complex presidency (1865-69) illustrates the Constitution at work following the Civil War. As…
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…
Angeles National Forest
California
Providing a mountainous backdrop to the Los Angeles metropolitan area, Angeles National Forest spans 700,000 a…
Angelina National Forest
Texas
The smallest of Texas's four national forests, Angelina nestles across 153,179 acres in the Piney Woods of Eas…
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…
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…
Ankeny National Wildlife Refuge
Oregon
Located near the confluence of the Santiam and Willamette Rivers, just off of Interstate 5, Ankeny offers uniq…
Annmarie Garden on St. John
Maryland
Annmarie Garden lies at the headwaters of St. John Creek and is just a few miles north of Solomons Island in b…
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…
Antietam National Battlefield
Maryland
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…
Anza-Borrego Desert State Park
California
Anza-Borrego is the largest state park in California, covering 600,000 acres of Colorado Desert wilderness. Fa…