"In the first decades of the nineteenth century, no place burned more brightly in the imagination of European geographers - and fortune hunters - than the lost city of Timbuktu. Africa's legendary City of Gold, not visited by Europeans since the Middle Ages, held the promise of wealth and fame for the first explorer to make it there. In 1824, the French Geographical Society offered a cash prize to the first expedition from any nation to visit Timbuktu...