The Most Photographed Places in the World
Today's map, which was featured by GlobalPost, comes from Sightsmap. The goal is to show the most photographed places in the world using data from Google Maps Panoramio, Wikipedia, and FourSquare. New York takes the top spot, but Europe dominates the top 10.
Over on Sightsmap you can go into individual cities and see what's popular. For example, here's New York: