» Google Maps
   Provides directions, interactive maps, and satellite/aerial imagery of the United States. Can also search by keyword such as type of business.
   http://maps.google.com/

» Beginning Google Maps Applications
   Offers news about Google Maps applications development with rails.
   http://googlemapsbook.com/

» Cool Google Maps
   Weblog relating fun stuff found in the tool.
   http://coolgooglemaps.blogspot.com/

» Gmaps Pedometer
   A hack that uses Google's mapping application to help record distances traveled and calories burned during a running or walking workout.
   http://www.gmap-pedometer.com/

» Google Groups: Google Maps API
   Discussions group for developers about the API use.
   http://groups.google.com/group/Google-Maps-API?hl=en

» Google Groups: Google Maps Help
   Provides a discussions group to share questions between the users of the tool.
   http://groups.google.com/group/Google-Maps?hl=en

» Google Maps API
   Provides an application programming interface to use the tool on any website.
   http://www.google.com/apis/maps/

» Google Maps API Official Blog
   News of the programming interface that lets put the tool web pages.
   http://googlemapsapi.blogspot.com/

» Google Maps API Tutorial
   Offers a tutorial for developers to use the tool's API.
   http://www.econym.demon.co.uk/googlemaps/

» Google Maps Directory
   Provides a directory to websites offering maps.
   http://www.gmapsdirectory.com/

» Google Maps Mania
   An unofficial blog tracking the websites, ideas and tools being influenced by the tool.
   http://googlemapsmania.blogspot.com/

» Google Maps Plugin for WordPress
   Provides a tutorial to use the tool on a WordPress blog.
   http://avi.alkalay.net/2006/11/google-maps-plugin-for-wordpress.html

» Google Mars
   Offers an interactive map of this planet.
   http://www.google.com/mars/

» Google Moon
   Provides a photographic map of the equatorial region of the satellite with pan and zoom capability, showing locations of the Apollo landings.
   http://moon.google.com/

» Sightseeing with Google Satellite Maps
   Armchair sightseeing, with links to many famous places and landmarks. Browse by location, category, and most popular.
   http://www.satellite-sightseer.com/

» Street View Fun
   Collection of off-beat images from Google Maps.
   http://www.streetviewfun.com/

» Wikipedia: Google Maps
   Offers presentation and history of the application.
   http://en.wikipedia.org/wiki/Google_Maps