- The largest park in our national park system is Wrangell-St. Elias National Park and Preserve in Alaska. The park covers over 8.3 million acres.
- The smallest national park is less than an acre. It is the Thaddeus Kosciuszko National Memorial located in downtown Philadelphia.
- Abraham Lincoln and Teddy Roosevelt each have four sites named after them. Lincoln has Abraham Lincoln Birthplace National Historic Site (KY), Lincoln Memorial (DC), Lincoln Boyhood National Memorial (IN) and Lincoln Home National Historic Site (IL). Roosevelt's are Theodore Roosevelt's Island (DC), Theodore Roosevelt Birthplace National Historic Site (NY), Theodore Roosevelt Inaugural National Historic Site (NY) and Theodore Roosevelt National Park (ND).
- In the national parks you'll find the highest point in North America (Mt. McKinley National Park and Preserve, AK), the lowest point in the Western Hemisphere (Death Valley National Park, CA), the deepest lake in the United States (Crater Lake National Park, OR) and the longest cave system in the world (Mammoth Cave National Park, KY) among many other interesting geologic sites.
- The last state in the country to have a property added to the National Park System was Delaware, which was actually the first state in the union. First State National Monument was established in 2013 primarily protecting an 1,100-acre parcel located between Wilmington and Philadelphia.
5 Fun Facts You Didn't Know About Our National Parks
By Andy Hawbaker
January 16, 2015
Monday January 19, 2015 is the first Free Entrance Day to the National Parks of 2015. Whether you can make it out to enjoy these national treasures or not, here are some fun facts about the national parks that you probably didn't know.
Join the Conversation