Across
- 2. Falls Massive waterfall on the U.S.-Canada border.
- 3. Everest Earth's highest peak.
- 4. Barrier Reef World's largest coral reef system.
- 5. Rainforest Vast South American jungle.
- 8. Canyon Iconic Arizona chasm.
- 9. Falls Majestic African waterfall.
- 12. Dead Sea Extremely salty water body.
- 13. Volcano that emerged in a Mexican cornfield.
- 14. First national park in the world.
- 15. Islands Darwin's inspiration for evolution.
Down
- 1. Alpine mountain on the Swiss-Italian border.
- 6. Borealis Northern lights.
- 7. Greek island with a famous caldera.
- 10. Falls World's highest uninterrupted waterfall.
- 11. Falls Known as "The Smoke that Thunders."