U.S. National Park

The parks of the United States National Park system are one type of protected area in the United States and are operated by the National Park Service. Yellowstone National Park was the first national park in the world.

See also

• List of U.S. national parks

External link

• A Brief History of the National Park Service

See also: U.S. National Park, List of U.S. national parks, National Park Service, National park, Protected areas of the United States, United States, Yellowstone National Park