The National Parks we've visited

During our last 3 years we've visited many national parks. Here is our list:
1. Mt. Rainier
2. Denali
3. St. Helens
4. Zion
5. Bryce
6. Grand Canyon
7. Black Canyon of the Gunnison
8. Mesa Verde
9. Rocky Mountain
10. Wrangel/St. Elias and Kennicott Copper Mine
11. Grand Tetons
12. Yellowstone
13. Acadia
14. Petrified Forest
15. Sequoia
16. Yosemite
17. Joshua Tree
18. Saruaro
19. North Cascades
20. Great Smoky Mountains
21. Carlsbad Caverns
22. Lewis and Clark National Historic Park

We're getting ready to head out and visit a couple more. We should make it to both Arches and Canyonlands and to some National Monuments as well.