The Nautilus Submarine

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Across
  1. 3. Act of traveling for discovery
  2. 4. Distance downward from a surface
  3. 5. Here is the crossword puzzle titled "The Nautilus Submarine":
  4. 6. Captain of the Nautilus
  5. 9. Study of the natural world
  6. 12. Exciting journey
  7. 14. Act of finding something new
  8. 15. Beneath the surface of the water
  9. 18. Instrument for viewing above water
  10. 20. Underwater vessel
Down
  1. 1. Opening in a ship's deck
  2. 2. Device that moves a ship or submarine
  3. 6. Captain Nemo's ship
  4. 7. Marine plants found in the ocean
  5. 8. Act of traveling from one place to another
  6. 10. Literary genre of imaginative narratives
  7. 11. Vast body of saltwater
  8. 13. To plunge into water
  9. 16. Deep parts of the sea
  10. 17. Valuable hidden items
  11. 19. Group of people operating a vessel