praxis effect

1904 election map, printed in the New York Times. Found at Fast Co. Designs. Since then, the Democrats & Republicans have reversed the polarity of the Mason-Dixon line. 

Gotham City Map. (Based on inverted Vancouver map. Hat tip to Canadians.) 

Source: Wikipedia

A cartographic masterpiece. Blends multiple layers of map types and styles into one cohesive theme that is part artistic, part science, part history and pure beauty. You have to look closely at the incredible detail to really appreciate how finely crafted this piece is. 

Cartographer: David Rumsey