The Xiaozhai Tiankeng, often called the “Heavenly Pit,” stands as the planet’s largest and deepest known sinkhole. This ...

The Xiaozhai Tiankeng stands as the textbook example of what happens when karst processes are given perfect working ...

Lauren Bacchus is one of many people in Asheville who are strangely enamored with the city’s sinkholes.

City of Toledo representatives said they are dealing with a higher number of sinkhole reports following the rain this week. "As we have more of this heavy downpour, we will be more susceptible to ...