For the past five years data artist Eric Fischer’s been working on something called the Geotaggers’ World Atlas, a project which hopes to discover the world’s most interesting places by examining beautiful Flickr photos. As it turns out, the maps showing the routes between them are just as beautiful.
Eric Fischer has made a project of sifting through geotagged information in order to produce beautiful maps of things like tweets. He's taken that one step further, sorting through the information to compare the places in cities where tourists (in red) and locals (in blue) take photos.
In some ways, this is the most accurate map of Washington, DC I've seen: those colors represent the demographic breakdown of a divided city. Here's how the largest metropolitan areas in the US look after the same treatment.