Found
this site where you can check boxes for countries where you've been and draws a map for you. It doesn't mean that you've seen the length and breadth of a country, though. Just being to a single city is enough to mark the whole country as 'visited'.
This is what my map looks like:
![Image](http://www.world66.com/myworld66/visitedCountries/worldmap?visited=ATBEFRDEITLUMCCHUKVAINIDMYSGTH)