The possibility of walking on a map of New York made in 1836, of adding a personal landmark to a late 18th century world map or of seeing a projection of a historical topographical map of Yosemite Valley – all that and much more is what the David Rumsey Maps sims offer to its visitors in SL. The place is made of digitized versions of actual cartographic material in the impressive David Rumsey Map Collection, one of the largest of its kind in the world, and provides a unique way to be in contact with some of its most interesting items…..

Source: Accessing historical maps in a unique way | Second Sighting