Across
- 1. Smallest independent state with St. Peter's Basilica
- 7. Ancient Egyptian burial structures
- 9. Mayan pyramid in Mexico
- 10. Ancient Greek temple in Athens
- 11. Iconic Parisian iron structure
- 13. Iconic San Francisco suspension bridge
- 15. Symbol of freedom in New York Harbor
- 16. Historic hilltop citadel in Athens
- 19. Carved presidential monument
- 20. Famous London clock tower
Down
- 2. Historic palace and fortress in Spain
- 3. Statue in Rio de Janeiro
- 4. Magnificent temple complex in Cambodia
- 5. Iconic performing arts venue
- 6. Ancient fortification in China
- 8. Inca citadel in the Andes Mountains
- 12. Ancient rose-red city in Jordan
- 14. Magnificent marble mausoleum in India
- 17. Prehistoric stone circle in England
- 18. Ancient Roman amphitheater