Across
- 8. Desert region in the western U.S.
- 10. Famous waterfall on the U.S.-Canada border.
- 11. Mountain range in the eastern U.S.
- 12. Lowest point in North America, in California.
- 13. Longest river in the U.S.
- 14. River that forms part of the border between the U.S. and Mexico.
- 16. Wetlands located in Florida.
Down
- 1. Mountain range in California and Nevada.
- 2. Group of five large lakes between the U.S. and Canada.
- 3. Flat, grassy region in the central U.S.
- 4. Famous canyon in Arizona.
- 5. Tallest peak in North America.
- 6. Ocean east of the U.S.
- 7. First national park, located mostly in Wyoming.
- 9. Ocean west of the U.S.
- 15. Mountain range in the western U.S.