Since 1872 the United States National Park System has grown from a single, public reservation called Yellowstone National Park to include 430 natural...

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...

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

Secretary of the Interior Deb Haaland on December 16, 2021. History of the National Park Service Organization of the National Park Service "Directors of the National...

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

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

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 preserves and interprets the history of women in American society. Many national parks, monuments and historic sites represent...

System by the United States Congress and the President of the United States. While all employees of the agency contribute to the National Park Service mission...

each National Health Service, particularly since 1999, see: History of the National Health Service (England) History of NHS Scotland History of NHS Wales...