Second one

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Across
  1. 3. - Terrifying dream experience
  2. 4. - Rain protection device
  3. 6. - Valuable hidden prize
  4. 8. - Ideal, heavenly place
  5. 11. - Communication device
  6. 13. - Agile flying insect
  7. 16. - Fast-paced team sport
  8. 17. - Common household screen
  9. 18. - Long-distance running race
Down
  1. 1. - Fragrant white flower
  2. 2. - Exciting journey or quest
  3. 5. - Cascading natural wonder
  4. 7. - Lush, tropical ecosystem
  5. 8. - Artistic creation on canvas
  6. 9. - Study of celestial objects
  7. 10. - Purple vegetable used in cooking
  8. 11. - Pertaining to hot, humid climates
  9. 12. - Tall, pink wading bird
  10. 14. - Morning meal
  11. 15. - Hazardous sinking ground