• Google Map Maker
  in Public bookmarks with editor google labs mapmark placemark world by 4 users
• if the earth were a sandwich
  direct opposite placemarks on the globe
  in Public bookmarks with funny mapmark maps placemark world
• Wikimapia - Let's describe the whole world!
  Wikimapia is an online editable map - you can describe any place on Earth. Or just surf the map discovering tonns of already marked places.
  in Public bookmarks with borders countries country editor google maps placemark wiki world by 12 users

placemark from all users