The National Park Service (NPS) is an agency of the United States federal government, within the U.S. Department of the Interior. The service manages...

United States has 63 national parks, which are congressionally designated protected areas operated by the National Park Service, an agency of the Department...

Yellowstone National Park is a national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana...

National Park Service rangers are among the uniformed employees charged with protecting and preserving areas set aside in the National Park System by...

Forest and on the northwest by Stanislaus National Forest. The park is managed by the National Park Service and covers 759,620 acres (1,187 sq mi; 3,074 km2)...

largest of the three National Park Service units that comprise the North Cascades National Park Complex. North Cascades National Park consists of a northern...

oldest legally protected areas. Parks Canada, established on May 19, 1911, became the world's first national park service. An international organization...

The National Park Service Organic Act, or simply "the Organic Act" as referred to within the National Park Service, conservationists, etc., is a United...

The National Park System of the United States is the collection of physical properties owned or administered by the National Park Service. The collection...

visitor center. The park receives an average of less than 10 in (250 mm) of rain annually. Administered by the National Park Service, the area was originally...