Across
- 3. Jefferson's home
- 5. Nat'l park in Olympic Peninsula
- 8. Union of two parks - 1 in Canada, 1 in US
- 13. Pre-columbian Native American City near St. Louis, MO
- 14. Birthplace of the Declaration of Independence
- 16. She once greeted most immigrants
- 18. Caves in SE New Mexico
- 19. 'Gators live here
- 20. Bay in Alaska
- 21. Ansel Adams took many photographs of this park
Down
- 1. Largest archaelogical preserve in US
- 2. Great peaks in the eastern US
- 4. Pre-historic Native American site in Louisiana
- 6. Built to defend the harbor of San Juan
- 7. They formed this state
- 9. Adobe buildings inhabited for over 1000 years
- 10. The Colorado river flows through this
- 11. Area of NW Hawaiian Islands
- 12. Cave system in KY
- 15. Tallest trees on earth
- 17. Location of Old Faithful?
- 18. Group of pueblos in American SW