1: 1. Lake Baikal in Russia 2. Lake Tahoe in USA and Canada

2: 3. Lake Como in Italy 4. Lake Titicaca in Peru and Bolivia

3: 5. Crater Lake in USA 6. Lake Wakatipu in New Zealand

4: 7. Lake Pichola in India 8. Lake Bled in Slovenia

5: 9. Great Salt Lake in USA 10. Lake Garda in Italy

6: 11. Lake Geneva in Switzerland and France 12. Lake Atitlan in Guatemala

7: 13. Lake Superior in USA and Canada 14. Lake Nakuru in Kenya

8: 15. Lake Lucerne in Switzerland 16. Lake Malawi in Malawi

9: 17. Lake Toba in Indonesia 18. Lake Michigan in USA