Clue #2

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Across
  1. 5. Hub for catching flights
  2. 6. Place to stay while traveling
  3. 10. Path taken to reach a destination
  4. 11. Vacation spot with amenities
  5. 13. Permit for international entry
  6. 15. Plot a course to a destination
  7. 17. Leisurely trip or outing
  8. 19. Manual for exploring new places
  9. 20. Discover new places
  10. 21. Wanderer with no fixed home
Down
  1. 1. Alternate route of the main path
  2. 2. Train engine for long journeys
  3. 3. Roam without a fixed plan
  4. 4. Ride sharing service for travelers
  5. 7. Epic journey or adventure
  6. 8. Bags packed for a journey
  7. 9. Short journey or vacation
  8. 11. Highway for car travel
  9. 12. Pass for boarding a plane
  10. 14. Book of maps for travelers
  11. 16. Vast body crossed by ships
  12. 18. Planned travel schedule