Across
- 2. - "Ancient Anatolian civilization."
- 4. - "Ancient city known for its empire."
- 5. - "Ancient Greek civilization of the Bronze Age."
- 8. - "Early Mesopotamian civilization."
- 11. - "Land of the pharaohs and pyramids."
- 13. - "City-state known for the Hanging Gardens."
- 14. - "Mesoamerican civilization known for human sacrifice."
- 16. - "Bronze Age civilization of Crete."
- 17. - "Ancient Mesopotamian empire known for conquest."
- 18. - "Ancient Mesopotamian empire."
- 20. - "River valley civilization of ancient India."
- 21. - "South American civilization with Machu Picchu."
- 22. - "Ancient empire of the Middle East."
Down
- 1. - "Ancient North African city-state."
- 2. - "Indus Valley city of ancient India."
- 3. - "Pre-Columbian civilization of Mesoamerica."
- 6. - "Pre-Roman civilization of ancient Italy."
- 7. - "Ancient civilization with the Great Wall."
- 9. - "Cradle of civilization between the Tigris and Euphrates."
- 10. - "Seafaring civilization of the Mediterranean."
- 12. - "Birthplace of democracy and philosophy."
- 15. - "Pre-Inca civilization of Peru."
- 16. - "Mesoamerican civilization known for its pyramids and calendar."
- 19. - "Ancient Nubian civilization."
