Old Maps Online

[Kalshane]

Found out about this via Ars Technica. Sort of like a historical Google Maps. In addition to being cool, might be an inspiration to GMs.

http://www.oldmapsonline.org/

[DeathQuaker]

That's pretty cool! Very useful.

A little... unsettling it immediately loaded maps in my area, but a lot of Websites do that these days (check location).