Categories:Articles with short description,
Park police departments of the United States,
Government agencies established in 1916,
All articles needing additional references,
Environmental agencies in the United States
National Park ServiceNational Park System10.36967America's Best IdeaDirector of the National Park Service
The National Park Service is an agency of the federal government of the United States that manages all national parks, many national monuments, and other conservation and historical properties with various title designations.