Across
- 4. - Megalithic monument in England
- 6. - Ancient Greek citadel
- 7. - Barcelona basilica
- 10. - Brazilian statue overlooking Rio
- 13. - Marble mausoleum in India
- 15. - Greek island with white buildings
- 16. - London clock tower
- 17. - Australian red rock formation
- 18. - Chinese fortification
- 19. - Parisian iron tower
Down
- 1. - Australian performance venue
- 2. - Cambodian temple complex
- 3. - Ancient Jordanian city
- 5. - Ancient Egyptian tomb
- 6. - Moorish palace in Spain
- 8. - Mayan archaeological site
- 9. - Ancient Roman amphitheater
- 11. - Iconic New York symbol
- 12. - Incan ruins in Peru
- 14. - Massive waterfall on the border of US and Canada