Good Gear Guide
In Pictures: 10 cool and useful Google Maps mashup...
The Busiest Places...and the Loneliest Places
The World Touristiness Map is a heat map that shows the most photographed tourist spots based on analysis of photos from the Panoramio service. If you'd rather stay away from crowds, you can also check out the Interesting Remote Places Map, which identifies cool locales away from cities, including outback and hiking destinations.
In Pictures: 10 cool and useful Google Maps mashups