Across
- 3. Sandstone formation in Arizona.
- 5. Giant desert rock formations in California.
- 6. Vast temple complex in Cambodia.
- 12. Rose-red city in Jordan.
- 13. Ancient Egyptian tombs.
- 15. Fairytale castle in Germany.
- 16. Buddhist temple in Indonesia.
- 18. Ancient Greek citadel in Athens.
- 19. Iconic temple on the Athenian Acropolis.
- 20. Historic fortress in Moscow.
Down
- 1. Palace and fortress in Spain.
- 2. Opulent palace in France.
- 4. Historic gate in Berlin.
- 7. Plateau housing the Pyramids and the Sphinx.
- 8. Ancient Roman amphitheater.
- 9. Mysterious stone circle in England.
- 10. Ancient Maya city in Mexico.
- 11. Ancient Egyptian statue with a lion's body and human head.
- 14. Ancient cliff dwellings in Colorado.
- 17. Remote island with monumental stone statues.