Try this

123456789101112131415161718
Across
  1. 4. in an almond croissant
  2. 6. fruit with a hard exterior
  3. 7. people who made baths in Bath
  4. 9. hello in Spanish
  5. 11. country that used to be part of Hungary
  6. 13. airline
  7. 16. official sport of Canada
  8. 17. the people who built Stonehenge
  9. 18. Great Barrier Reef is in
Down
  1. 1. extremely happy
  2. 2. ______ square
  3. 3. to pass a law
  4. 5. animal of a caramello
  5. 8. what tequila is made from
  6. 9. official food of Hamburg
  7. 10. ‘t’ in phonetic alphabet
  8. 12. capital of Vietnam
  9. 14. where French fries come from
  10. 15. archaeologists look for