In 1929, a group of historians found an amazing map drawn on a gazelle skin. Research showed that it was a genuine document drawn in 1513 by Piri Reis, a famous admiral of the Turkish fleet in the sixteenth century.
Matthew Paris. The most detailed of four maps drawn to accompany his chronicles abt.1300. The oldest surviving medieval map from England and "the largest, most detailed and most perfectly preserved medieval map in the world
Magnificent Maps: Cartography as Power, Propaganda, and Art
This is an 1804 copy of perhaps the first ‘modern’ world map, made by the Venetian monk Fra Mauro in about 1450. It points south because 15th-century compasses were south-pointing. It shows the Portuguese discoveries in Africa and questioned the authority of medieval and classical sources. Intended for display in Venice, it emphasizes the feats of Marco Polo. The British East India Company commissioned this copy, thus implying that Britain was heir to the Portuguese empire.