“The Xiaozhai Tiankeng. ” The Xiaozhai Tiankeng, also known as the Heavenly Pit, is the world’s deepest sinkhole. It is located in Fengjie County of Chongqing Municipality, in southwest China.
On Upolu, one of Samoa’s nine islands, you’ll find To Sua, a 98-foot deep natural pool sitting directly in the middle of a volcano. Up for an adventure? Tag your travel buddy. Follow @purewowtravel by @reneeroaming