Across
- 3. Monument - Tall obelisk honoring first US president
- 6. de Triomphe - Parisian monument honoring war heroes
- 10. Sophia - Byzantine cathedral turned mosque in Istanbul
- 11. of the Rock - Golden-topped Islamic shrine in Jerusalem
- 12. - Massive red rock in Australian outback
- 13. the Redeemer - Giant Jesus statue overlooking Rio
- 15. Square - Moscow's central plaza
- 16. Gate Bridge - Orange-red span in San Francisco
- 18. Tower of Pisa - Famously tilted Italian bell tower
- 19. Picchu - Lost Incan city in Peru
- 21. Dame - Gothic cathedral in Paris
- 23. Building - Where US Congress meets
- 25. Wall - Judaism's holiest prayer site
- 27. - Cube-shaped building in Mecca
- 28. - Moscow's fortified complex
- 29. Peter's Basilica - Vatican's enormous church
Down
- 1. Tower - Iron lattice landmark in France
- 2. Basil's Cathedral - Colorful onion domes in Moscow
- 4. Opera House - Australian performing arts center with sail-like roof
- 5. Ben - Famous clock tower in London
- 7. of the Holy Sepulchre - Site of Jesus's crucifixion
- 8. - Ancient Greek temple atop the Acropolis
- 9. - Ancient Roman amphitheater
- 14. Abbey - Royal coronation church in London
- 17. Mahal - White marble mausoleum in India
- 18. - Home of the Mona Lisa
- 20. Wall of China - Massive defensive structure visible from space
- 22. Wat - Massive temple complex in Cambodia
- 24. at Giza - Egyptian pharaohs' tombs
- 26. - Ancient Mayan city in Guatemala