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Across
  1. 5. Highest peak in Africa
  2. 7. Highest mountain in North America
  3. 8. Peninsula in northern Europe
  4. 10. Vast region of northern Asia
  5. 13. Region at southern tip of South America
  6. 15. Desert in southern Africa
  7. 17. Indonesian volcanic island
  8. 19. Highest peak in South America
  9. 21. Desert in Arizona and Mexico
  10. 22. Region south of Sahara Desert
  11. 24. Peak that is highest in Europe
  12. 25. Desert in northern China and Mongolia
Down
  1. 1. Famous volcano near Naples
  2. 2. National park in California
  3. 3. Desert in southwestern United States
  4. 4. Sacred mountain in Japan
  5. 6. Famous waterfall on Zambezi River
  6. 9. Falls between United States and Canada
  7. 11. Falls on border of Argentina and Brazil
  8. 12. Park sitting on volcanic hotspot
  9. 14. Active volcano in Sicily
  10. 16. World's highest uninterrupted waterfall
  11. 18. Driest desert in the world
  12. 20. Desert in central Australia
  13. 23. Highest peak in Antarctica