The National Park Service Preserving & Protecting-
Habitat for 364 threatened or endangered species
More than 100 million items in museum collections
1.5 million archaeological sites
27,000 Historic Structures

Recreational visit statistics -
2002 -- 277 million 
1989 --  256 million 
1969 --  164 million 
1949 --  32 million 
1929 --  3 million 
1919 --  811 thousand

Camping Facilities-
 More than 120 areas in the National Park System have camping opportunities. The campsites can accommodate most every camping style from tent camping and recreation vehicle spaces to more primitive types of camping such as backcountry, where no facilities are available. Campgrounds are operated either by the National Park Service or concessioner. 

 
Largest Area (acres) 
In Alaskas Wrangell-St. Elias National Park and Preserve: 13.2 million 

In the contiguous U.S., Death Valley, CA: 3.3 million 

Smallest Area (acres)
Thaddeus Kosciuszko National Memorial, PA: 0.02 National Park Service Asset
