1. Mirny Diamond Mine of Siberia
2. Great Blue Hole – Belize
3.Burning Gates of Turkmenistan
4. Kimberley Big Hole - South Africa
5. Bingham Canyon Mine – Utah
6. Glory Hole in Monticello Dam California
7. Diavik Diamond Mine – Canada
8. Guatemala Sinkhole
9. Chuquicamata Copper Mine – Chile
10. Udachnaya Pipe – Russia