German broadcaster Deutsche Welle have a database of over 11,000 blogs from around the world, which they call the Blogopedia. All 11,000 of the blogs are geotagged on this Google Map. When you click on the markers on the map, information about the blog as well as a screenshot and link open in an information window.
Deutsche Welle are also asking for nominations for their sixth annual Deutsche Welle Blog Awards. Winners of the awards will be announced next year at the re:publica'10 blog and social media conference on April 15 in Berlin. Nominate your blog and you to can get yourself on the map.