The Biggest, Strangest, and Most Devastating Sinkholes on Earth. We know about the world's largest sinkhole thanks to a 1994 China Caves Project mapping, during which it was discovered. Thanks in part to an underground river in the forests of China, this double-nested sinkhole includes a waterfall in its depth of over 2,100 feet. 7 of the World's Most Stunning Sinkholes.
Here, the Most Mysterious Sinkholes on Earth
- guatemala city sinkhole
- dean's blue hole
- mimmah sinkhole
- sarisariñama sinkholes
- door to hell sinkholes
- Bimmah
- Mount Gambier
- Unidentified Unfortunate House
- Agrico Gypsum Stack