World's Most Stunning Sinkholes

Boesmansgat

The Boesmansgat, also known as the “Bushman’s Hole,” is believed to be the third-deepest freshwater sinkhole in the world. Approximately 270m (886 ft.) deep, the Boesmansgat in the Northern Cape province of South Africa was first explored by amateur diver Mike Rathbourne in 1977 and is home to the Guinness Woman’s World Record for the deepest dive (a 221m dive by Verna van Schaik on November 24, 2004).