I ran across this tool, that tracks your latest visitors and uses Google Maps to show you on a map where they are coming from.     

Here is a screenshot:



And Here is a URL (This will be active from now on, so feel free to bookmark this...)
http://www.gvisit.com/map.php?sid=5e40afcbe598d59ddace32983c31789a


As you can see, even though the majority of our traffic is from the US (since the site is done in English), that we are reaching all across the globe.   Everywhere from Kuala Lumpar to Austrailia to New Delhi!