My Google Maps

Brady Forest has a piece in O'Reilly Radar on the launch of Google's MyMaps, pointing to their new capacity to add all geo-indexed web pages to their local search. A web page is geo-indexed via an associated KML file. No other search engine does this. Pete Cashmore's comments on this new product on Mashables.

RestoreKnoxville TN combines architectural, historical, and lifestyle information, using street data and satellite imagery from Google Maps and National Register historic narrative information.

For global-scale maps, try PlaniGlobe. (Samples in Wikipedia.)