Across
- 3. Iconic Japanese volcano
- 4. Karst formations in China
- 5. Colorful sky display in polar regions
- 9. Home to the tallest trees
- 14. Iconic green stalks in Asia
- 15. Ancient structure visible from space myth
- 16. Vibrant hot spring in Yellowstone
- 17. Salty lake where you float
- 21. Natural hot water eruptions
- 23. Deep coastal inlets carved by glaciers
- 24. Majestic U.S. rock formation
- 26. World’s largest salt flat
- 28. Mighty American river
- 29. Deepest point in the ocean
- 31. Powerful waterfall on the U.S.-Canada border
- 32. Aurora seen in the Southern Hemisphere
- 35. U.S. park with towering cliffs
- 36. Africa’s highest peak
- 37. Eroded rock formations in the U.S.
- 38. Sacred Australian sandstone monolith
- 40. South American waterfall system
- 41. Stunning landscapes in South America
- 42. Hottest place in North America
- 44. CAVE Deepest known cave on Earth
- 45. Iconic vertical rock formation
- 46. Turkey’s white travertine terraces
- 47. Home of Old Faithful
- 48. Pristine white sand in Australia
Down
- 1. Tallest mountain on Earth
- 2. Basalt columns in Northern Ireland
- 6. Towering red dunes in Namibia
- 7. World’s largest coral reef
- 8. Tallest waterfall on Earth
- 10. Home of the tallest peaks
- 11. Unique brown hills in the Philippines
- 12. AKES Largest freshwater system on Earth
- 13. Famous Yellowstone geyser
- 15. Vast Asian desert
- 18. Towering peaks in Wyoming
- 19. Major watershed in North America
- 20. Massive underwater sinkhole
- 22. Giant trees in California
- 25. Fairy chimneys of Turkey
- 27. Africa’s largest waterfall
- 30. Famous granite rock in Yosemite
- 33. Longest river on Earth
- 34. Second-longest river in the world
- 39. Major North American mountain range
- 43. Stunning Croatian lakes and waterfalls