Many notable expeditions followed, including the first coast-to-coast traverse of Borneo, transcontinental traverse of Irian Jaya, discovery and exploration of the world's largest river cave, Gulf Province, Papua New Guinea, First Descent, Angel Falls, Venezuela, First Descent of the Kayan River, Kalimantan, Indonesia, as well as expeditions to the Troll Wall, Norway, Hand of Fatima, Mali, West Africa, Mt.
Many notable expeditions were undertaken, including a journey across Borneo from coast to coast, a transcontinental trek through Irian Jaya, the discovery and exploration of the world's largest river cave in Gulf Province, Papua New Guinea, First Descent of Angel Falls, Venezuela, First Descent of the Kayan River in Kalimantan, Indonesia, and expeditions to the Troll Wall in Norway, Hand of Fatima in Mali, West Africa, and Mt.