Visualization on the scope and history of the U.S. National Park System and the National Park Service. The United States is home to world’s most extensive system of protected public lands—the U.S. National Park System. The system includes more than 450 natural, historical, recreational, and cultural areas throughout the United States, its territories, and island possessions—more than 84 million acres in total. As you can imagine, this vast system of parks, memorials, and monuments requires expertly coordinated management on a national scale.
The National Park System is administered by the National Park Service, an agency of the U.S. Department of Interior. The National Park Service employs more than 20,000 park rangers, administrators, and scientists, who are dedicated to the stewardship of our significant national resources. Their responsibilities include managing an annual budget of around $3 billion, protecting the spectrum of American wildlife (including 400 endangered species), and hosting hundreds of millions of park visitors each year.
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