Across
- 3. Steep, glacially-carved valleys in Norway
- 6. Largest rainforest in the world
- 8. Islands known for their volcanic activity in the Pacific Ocean
- 9. Forested region in southwestern Germany
- 11. Rainforest located in Central America
- 13. Major agricultural region in California
- 16. Major river in Central and Eastern Europe
- 20. Vast grassland region in Mongolia
- 24. Largest hot desert in the world
- 26. High plateau in Central Asia
- 27. Mountain range separating Asia from the Indian subcontinent
- 28. Region in France known for D-Day landings
- 30. Cold desert in northern China and southern Mongolia
- 31. Grassland plain in Argentina
- 32. Rugged mountainous region in northern Scotland
- 35. Major mountain range in Canada
- 36. Portuguese archipelago in the Atlantic Ocean
- 40. Region bordering the Mediterranean Sea
Down
- 1. Fertile area along the Nile River
- 2. Island shared by Indonesia, Malaysia, and Brunei
- 4. Scenic valley in California’s Sierra Nevada
- 5. City located at the tip of South Africa
- 7. Major mountain range in North America
- 10. Mountain range stretching across Europe
- 12. Archipelago famous for its unique wildlife
- 14. Latitude marking the northernmost point where the sun does not set in summer
- 15. Boreal forest covering much of Siberia
- 17. Largest coral reef system in the world
- 18. Large drainage basin for the Amazon River
- 19. Large area of flat land in the central U.S.
- 21. Peninsula in Costa Rica known for its biodiversity
- 22. Coastal desert in southwestern Africa
- 23. Mountain range in North Africa
- 25. Tropical grassland ecosystem in Africa
- 29. Indonesian island known for its tourism
- 33. Area of rolling hills and quaint villages in England
- 34. Famous plain in Tanzania known for its wildlife migration
- 37. River in western France known for its vineyards
- 38. Group of five large lakes in North America
- 39. Long mountain range along the western edge of South America
- 41. Longest river in the world