Vilka nationalparker ingår i södra oss?

1. Biscayne National Park , Florida

2. Congaree National Park , South Carolina

3. Dry Tortugas nationalpark , Florida

4. Everglades nationalpark , Florida

5. Gates of the Arctic National Park and Preserve , Alaska

6. Great Basin National Park , Nevada

7. Great Smoky Mountains National Park , North Carolina och Tennessee

8. Mammoth Cave National Park , Kentucky

9. New River Gorge National Park and Preserve , West Virginia

10. Shenandoah National Park , Virginia