An extensive collection of shared photos from around the world KML feed 2.0 via kmlphotos.metaltoad.com
Panoramio
An extensive collection of shared photos from around the world (included in standard GE Geographic Web layers) KML feed via panoramio.com
Wikipedia
Wikipedia links (included in standard GE Geographic Web layers) KML feed via tools.wikimedia.de
Wikimapia
WikiMapia is an online map resource that combines Google Maps with a Wiki system, allowing users to add information (in the form of a note) to any location on the globe. KML feed via wikimapia.org
Placeopedia
Collection of Wikipedia articles with their places KML feed via placeopedia.com