Mashable.com offers a list of 13 very cool Google Map mashups, including several which could be useful in education:
WikiMapia – a wiki-like map where users can add information about a location.
Flickrvision – combines Flickr’s API with Google Maps to shows the most recently uploaded photos from around the world in real-time on a map.
HealthMap – utilizes feeds from the World Health Organization and others to provide the latest updates on diseases and outbreaks in the different regions of the world.
AP News – shows recent headlines from Associated Press on a map from where the story is datelined.
US Presidential Primaries – shows the results of polls that have been taken in each state for both parties leading up to the 2008 US Presidential Primaries.
ChicagoCrime.org – allows you to search a database of crimes reported in