Puzzle #7

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Across
  1. 6. The supercontinent dinosaurs called home
  2. 7. Island off the coast of India home to one of the last "uncontacted" tribes on Earth
  3. 8. A mysterious monument in England that nobody truly knows the purpose of
  4. 12. The island system studied by Charles Darwin
  5. 14. Built for Khufu, the second of eight kings in the fourth dynasty
  6. 18. The name of the crater caused by the asteroid that killed the dinosaurs
  7. 19. The empire led by Mansa Musa, the richest man in history
  8. 21. The coldest place on Earth
  9. 23. The American mountain range that is quite literally older than bones
  10. 24. The national park where Dr. Jane Goodall lived alongside wild chimpanzees
  11. 25. The region of Canada where a near-perfectly preserved baby woolly mammoth was discovered
  12. 27. The oft-forgotten fifth ocean
  13. 28. Ancient city home to a massive library and lighthouse
  14. 29. Caldera in Indonesia that erupted twice
Down
  1. 1. The largest (non-continental) island on Earth
  2. 2. The most extensive reef system on Earth
  3. 3. Modern-day Mexico City
  4. 4. The farthest point on Earth's surface from the Earth's center
  5. 5. The hottest place on Earth
  6. 9. Incan settlement high in the Andes
  7. 10. The deepest part of the ocean
  8. 11. The island home of the now-extinct Dodo bird
  9. 13. The native name for Easter Island, home to its 1000+ moai
  10. 15. The mountain hosting the largest recorded volcanic eruption in history
  11. 16. The modern country where fossils of Lucy the Australopithecus were discovered
  12. 17. Italian city destroyed by a volcanic eruption
  13. 20. Home to remnants of our beloved mastodons
  14. 21. The largest preindustrial civilization on Earth
  15. 22. The US State where the famous Patterson-Gimlin film of an alleged "sasquatch" was filmed
  16. 26. The Indonesian island where the coelacanth was rediscovered