While most people are familiar with the 63 major National Parks, there are actually over 400 sites in the National Park Service, including monuments, historic sites, and other protected areas. Don't miss out on all the amazing places the National Park Service has to offer – plan your next adventure with our interactive checklist!
 
The list includes all 423 National Park Service units in the United States divided by States and allows you to easily track your progress as you visit each site. Simply click on the box next to the park name to mark it as visited, and save to your device. The checklist will keep track of your progress and the next time you open it, you can pick up right where you left off.