The Police World Concert Tour Map
The Lost Tomb of Jesus on Google Maps
Karta Map - GeoNames + Google Maps mashup; mapping placenames, landmarks and geo-locations.
North American Ballpark Map
Do a monster mashup - An article from the Sydney Morning Herald outlining the Aussie Google Maps mashup craze.
FindByClick's Starbucks Coffee Mapper now includes Singapore! - Other countries include Afghanistan, Australia, Austria, Canada, France, Germany, Hong Kong, Macau, Spain, Switzerland, UK and the USA.
Google Base + Google Maps = MainBase - Allows users to search and sort on any attribute as well as plot records on charts/maps/calendars. This YouTube video should help explain things..
Tour Dates Map - Created by taking a list of tour dates (in plain text format) and generating a Google Maps tour map.
New Google Maps Development Book: Beginning Google Maps Applications with Rails and Ajax: From Novice to Professional - There's also a contest on the Book's Blog!
Cool Google Earth-related Links:
Swiss Alps "Fighter" Tour in Google Earth - Frank Taylor of the Google Earth Blog shows just how good the new high-res satellite imagery and terrain is for Google Earth by mirroring a real life fly-through. He shows one YouTube view with a real flight and one that shows his virtual fly-through.
Google Maps/Earth user finds their Land Rover on Namibia - Angola - Similar to Frank's post, this Flickr user shows real imagery in one pane with the Google Earth view to show what great detail there is. A Google Maps view shows the user's Land Rover caught in the satellite photo.
CTO of Google Earth On Adding Web Search - A great interview with Google's Michael Jones. "..Michael describes the search algorithm (a combination of text and geodata) and gives some thoughts on how the Google Earth Web Browser will lead to a geotagged web (hint, it's via KML)."