Its a Mystery!

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Across
  1. 5. Triangle Planes and ships are believed to disappear in it
  2. 6. Mythical island destroyed by earthquakes and floods for punishment
  3. 8. Latin American Cryptid translates to goat sucker
  4. 9. 4-5000 years old man made circular monument
  5. 12. Machine Vehicle of Scooby Doo gang
  6. 14. Christi Most famous English Crime Novelist
  7. 15. Ness Monster Nessy is the most famous
  8. 16. Hoffa It is said his body was buried under Giants Stadium
  9. 17. Grisham Writer of The Pelican Brief
  10. 18. Manuscript Mysterious 15th century Codex
Down
  1. 1. A winged Cryptid
  2. 2. Killer Unidentified serial killer in San Francisco Bay area
  3. 3. 51 Highly classified Air Force base
  4. 4. Patterson Wrote Kiss the Girls
  5. 7. Doo The first cartoon Ghost Hunters
  6. 9. King He got an idea for a book staying at The Stanley Hotel
  7. 10. Drew Fictional teenage detective
  8. 11. Allen Poe Wrote Annabel Lee
  9. 13. A hairy Cryptid
  10. 17. the Ripper Famous English serial killer identity unknown