The other web site I am running, Trendmapper leads me to all kinds of cool stuff. And, related to my article on trevelling with a GPS and a camera, I found this: Google Sightseeing.
I still encourage people to travel and visit the world, but maybe you can use this kind of sightseeing to plan your trip?
Update:
And here is another site with lots of cool details from Google Maps:
GoogleGlobetrotting
eirikso 