I've reset the counter on the World Visitor Map on the bottom right on the main forum page because it was turning into a big red blob in many places.
The original map, which ran for about 9 months or so, is archived on the ClustrMaps site. If you want to see what it looks like, here it. is:
And here's the sea of red, showing United States visitor locations to Cavechat:
And the UK: