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.

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

Called a cenote, it's a large opening that looks like the mouth of a cave and the seventh hole at El Camaleon was designed ...

These 30 photos showcase the most mind-blowingly gorgeous, almost unreal places our world has to offer. Bolivia’s Salar de ...

Cancun might be known for its coastal beauty, vibrant nightlfe and inviting hospitality, but that's just tapping the surface ...

It would normally be packed. Now? Absolutely nothing." Is your property at risk from a sinkhole? There are thousands of natural sinkholes, also known as dolines, in the UK, particularly in the ...