- There are 397 areas in the National Park System, including at least one in every state except Delaware
- The National Parks range is size from 13.2 million acres (Wrangell-St. Elias in Alaska) to 0.02 acres (Thaddeus Kosciuszko Memorial in Pennsylvania)
- Theodore Roosevelt has the most sites of the National Park System named for him (4), plus he is featured on Mt. Rushmore
- The Blueridge Parkway, a 496-mile drive through the Appalachians in Virginia and North Carolina, gets the most annual visitors of any National Park
- Kobuk Valley National Park in Alaska is the least visited with less than 2,000 guests a year
- All total, the National Parks equal more than 84 million acres, roughly the size of Germany
- Alaska and California have the most National Parks at 8 each
- Carlsbad Caverns National Park in west Texas is home to the world’s largest bat colony