Across
- 2. World's largest hot desert
- 7. Highest mountain in North America
- 8. Ocean separating Europe and the Americas
- 9. Nation of coral islands in the Indian Ocean
- 10. Least densely populated independent country
- 11. River flowing through ten European countries
- 14. Islands linked to Darwin's studies
- 15. Largest lake in Africa
- 16. Capital city of Australia
- 18. First national park in the world
- 19. Northernmost ocean
- 21. Waterfalls shared by Argentina and Brazil
Down
- 1. Land of Fire and Ice
- 2. African island nation northeast of Madagascar
- 3. Desert spanning Mongolia and China
- 4. Highest mountain in Africa
- 5. Country known for Gross National Happiness
- 6. Capital city of New Zealand
- 9. World's fourth-largest island
- 12. Longest river in Europe
- 13. Mountain range containing Everest
- 14. Largest island on Earth
- 17. Deepest freshwater lake in the world
- 19. Longest continental mountain range
- 20. Japan's most iconic mountain