Across
- 2. Lost Incan city in Peru
- 4. Ancient Roman gladiator arena
- 6. Unfinished cathedral in Barcelona
- 7. White marble mausoleum in India
- 11. Tallest building in the world
- 13. Massive temple complex in Cambodia
- 14. Prehistoric stone circle in England
- 15. Iconic iron tower in Paris
- 16. Fairytale castle in Germany
- 18. Iconic Australian performance venue
- 19. Suspension bridge in San Francisco
- 20. Symbol of freedom in New York
Down
- 1. Carved U.S. presidents on a mountain
- 3. Giant statue overlooking Rio
- 5. Famous tilted tower in Pisa
- 8. Ancient tombs of Egypt
- 9. Historic fortification in China
- 10. Famous clock tower in London
- 12. Ancient citadel in Athens
- 17. Rock-carved city in Jordan