1. Lake Atitlan - Guatemala
2. Lake Taupo - New Zealand
3. Lake Nyos - Cameroon
4. Ojos Del Salado - Argentina-Chile
5. Nemrut - Turki
6. Manicouagan - Kanada
7. Vico - Italy
8. Mount Katmai - Alaska
9. Rano Kau - Easter Island
10. Crater Lake - USA
11. Blue Lake - Australia
12. Lake Toba - Indonesia
2. Lake Taupo - New Zealand
3. Lake Nyos - Cameroon
4. Ojos Del Salado - Argentina-Chile
5. Nemrut - Turki
6. Manicouagan - Kanada
7. Vico - Italy
8. Mount Katmai - Alaska
9. Rano Kau - Easter Island
10. Crater Lake - USA
11. Blue Lake - Australia
12. Lake Toba - Indonesia