The Niger River

World maps display the surface of a sphere on a flat surface, necessarily introducing distortion. In the Mercator projection, named for 16th century Flemish cartographer Gerardus Mercator, the lines of longitude are represented as parallel vertical lines, even though on the surface of the earth, the lines of longitude approach each other, until they meet …

Francisco de Orellana: Crystal skulls, Amazons, and the Land of Cinnamon

In the 21st century, it’s possible that the conquistador Francisco de Orellana is best known from the film Indiana Jones and the Kingdom of the Crystal Skull, in which Orellana is said to have sought the fictional city of Akator, and in whose grave Jones finds the titular crystal skull. But Orellana’s adventures make a …

Exploration & Science – Alexander von Humboldt

The earliest explorers were financially motivated; Columbus, Drake, Hudson (among many others) were looking for wealth, whether through trade or plunder. But as the world became better known, journeys of exploration took an increasing focus on scientific discovery. Captain Cook’s voyages were commissioned for scientific exploration (though Cook’s imperial claims for the British Empire were …