The project – Google Maps Gallery – enables organizations to share data on a map to be publicly discovered by people using Google Maps, Google Earth and search engines.
Google says:
“Maps Gallery works like an interactive, digital atlas. You can explore historic city plans, climate trends, housing affordability, shipwrecks and up-to-date evacuation routes.
Read full story at: http://www.tnooz.com/article/google-launches-gallery-to-make-maps-more-discoverable/