But neither that simple drawing nor his matter-of-fact description gave Caillié's countrymen a sufficiently colorful picture to match their preconceptions of how Africa should look. They turned their backs on the young explorer, ignored his accomplishments, and let him die neglected. Here are the epic adventures of the European explorers who opened Africa – from Mongo Park and Vasco da Gama to Francis Burton and David Livingstone and Henry Stanley.