A web site called Butter Fat offers you the opportunity to track the path of your emails using Google Maps, using geographical lookup provided by hostip.info.

Paste in the headers of an email and it traces the jumps from server to server. If you choose your email carefully, it can also show you the location of a particular server.

It may not do a very good job. I discovered, for example, that the mail server at my new web host TextDrive is housed in the middle of Montgomery Field Airstrip in San Diego:

Perhaps it does a better job with .Mac. At least, the trace places the server on the same map as Infinite Loop, in leafy September Drive:

Who knows? It is, at any rate, an entertaining and interesting way to waste thirty minutes or so.