Geography Meteorology Multimedia Xerox PARC Map Viewer Used by many Web site creators, still one of the best. An interactive atlas with trip-plotting features.
Membership is free.
Make custom maps, using a postscript file for easy saving, downloading, and printing. A Texas-sized collection with good historic coverage. A critical hit list of map collections. Subway Navigator Explore the underbelly of different cities worldwide with Paris metro plans, New York subway maps, and more. In French or English.