Across
- 3. Tower - Paris landmark
- 6. - UK prehistoric monument
- 7. Khalifa - Tallest skyscraper
- 8. Falls - Waterfall in North America
- 10. Picchu - Incan ruins
- 11. - Jordanian archaeological site
- 12. Opera House - Australian performing arts venue
- 13. Mahal - Mausoleum in India
- 15. Ben - London clock tower
- 17. the Redeemer - Rio de Janeiro statue
- 18. Wat - Cambodian temple complex
- 19. Peter's - Vatican church
Down
- 1. of Liberty - New York icon
- 2. - Ancient Roman arena
- 4. - London government district
- 5. Wall - Chinese fortification
- 9. - Spanish palace complex
- 11. - Egyptian tombs
- 14. Gate Bridge - San Francisco landmark.
- 16. - Greek citadel