Explore the secrets just outside Johannesburg and capture unforgettable memories. Secret exciting discoveries in the World Heritage site, Cradle of Humankind. Content Cradle of Humankind – Maropeng and Sterkfontein Caves Covering 47 000 hectares the Cradle of Humankind was declared a World Heritage site in 1999. From the evidence of fossils and limestone caves, this… Continue reading Cradle of Humankind: North-West of Johannesburg