Ultimate Historical Maps — David Rumsey

                                                          [1917 map of Berlin]

Wrote Kevin Kelly:

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Imagine having access to all the ancient maps of the world, and being able to explore them with AI, including searching the words etched in the maps, or concepts about the maps — for instance "give me all the maps showing the routes of Roman aqueducts."

All this and more are available online for free [the way we like it] at the David Rumsey Map Collection. 

For 25 years Rumsey has been scanning over 140,000 maps of all kinds from his insane collection from around the world. 

He then innovates ways to share them.

When you find a map you particularly like, you can tap a button and have it printed out on a large scale and mailed to you for a reasonable fee. 

This is an international treasure.