Here are a couple good map sites from Pinterest:
How the World was Imagined: Early Maps and Atlases
Magnificent Maps: Cartography as Power, Propaganda, and Art
And some more interesting maps:
14th Century map of the Persian Gulf: ancient trading routes
Map of Ancient Tenochtitlan c. 1524
Map of Istanbul
This double-sided Japanese woodcut displays a world map on the front and illustrated examples of the peoples of the world on the verso. It exemplifies the Bankoku-sozu (“complete maps of the peoples of the world”) style of cartography influenced by European techniques and geographic knowledge in the sixteenth and seventeenth centuries.
Gough Map is the first known full map of Britain 1350 AD.