kmlfactbook.org
http://www.kmlfactbook.org/

kmlfactbook.org can use either Google Maps or the Google Earth browser plugin to preview the KML files that you create. To switch between the two modes press the 2D Map and 3D Map buttons to the right in the screen.

kmlfactbook.org allows you to create Google Earth KML visualizations from your own global data-sets.

Demographic 3D mapping

Great facts for many subjects

A site that combines statistical data with a Google Map.