Across
- 3. Lake Superior, near Michigan's border with Canada
- 6. Located in Wyoming, Montana and Idaho
- 7. Steep red cliffs in Utah
- 8. It is the longest cave system known in the world.
- 10. Maui
Down
- 1. El Capitan and Half Dome
- 2. Southern Florida
- 4. North America's driest and hottest spot
- 5. General Sherman Tree
- 9. Mount McKinley