7. The Sawmill Sink
Where: Abaco Island, Bahamas
A 2,500-year-old giant tortoise shell was found there. This hole is 55 feet deep and 110 feet across. It looks beautiful and hypnotizing at the same time.
8. Crveno Jezero
Where: Imotski, Croatia
The third largest sinkhole in the world, surrounded by cliffs. Just another destination you would like to reach.
9. The Devil’s Sinkhole
Where: Near Rocksprings, Texas, USA
The most massive underground limestone, this sinkhole has mysterious origins, years ago treasure- seekers tried to find some riches in it.