Google Static Maps API - Google Code
Google Maps now provides static (IMG-based) alternatives to the JavaScript API.
Google Maps API Documentation
Documentation for the new Google Maps API. Unlike most web services, this one is run entirely over JavaScript.
Related links
sixtwothree.org » Ameriganzapalooza
Track Cindy and Jason on their trip across the country... mashup style.
Google Maps API Official Blog: KML and GeoRSS Support Added to the Google Maps API
Google gets behind GeoRSS. This is good. Somewhere, Mikel Maron is doing a little dance.
overplot
This is an astoundingly brilliant mashup: Overheard in New York meets Google Maps. It's fan-bloody-tastic and remarkably fast for all the data it contains.
Google Maps API Official Blog: Google Maps API Version 2
Version 2 of Google's Maps API is out. Changes, changes, read all about it.