http://blogs.esri.com/Info/blogs/gisedcom/archive/2008/06/17/where-s-geo-unesco-world-heritage-sites-in-the-uk.aspxSee also Where’s Geo? Londinium!, Where’s Geo? London Map Fair and Beyond , and Where’s Geo? Canterbury, Dover, and… Wandering around London and environs, one is quick to stumble into UNESCO World Heritage sites . What are these? Basically, they are historicalenCommunityServer 2.1 SP2 (Debug Build: 61120.2)