The Cango Caves are listed among the world’s greatest natural wonders. Formed over millions of years, the caves offer a fascinating journey through breathtaking limestone formations. Although the caves had been used by Bushmen they remained unexplored until sometime around 1780. They are one of the 10 most visited tourist attractions in South Africa and are must to be visited. The caves were declared a National Monument in 1938 and stretch for more than 2 kilometres into the mountain.