I've started this Google Maps map as a supporting material for a conference and I'm still maintaining it. I do not intend to cast a shadow over the official resource ;) but I'm having fun. I'm tempted to create some crawling code and bring it to life with some real time information. Will see...
Google Maps link:
http://maps.google.com/maps/ms?msid=203213363347378376100.0004b53ce9cb9115c54a6&msa=0