Fengjie County, in the Chongqing Municipality, is where you'll find Xiaozhai Tiankeng, the world's largest and deepest ...

According to Science Alert, scientists studied a 98-foot sediment core taken from the floor of the Great Blue Hole. Their ...

A motorcyclist was found dead after vanishing into a massive sinkhole in South Korea’s largest city. The sinkhole, estimated to be around 65 feet wide and 65 feet deep, opened up at an ...

"We have been carrying out a rescue operation ever since," a fire department ... According to the BBC, the world's largest sinkhole is in China — measuring over 2,100 feet deep.