US - 43 of the 50 states I have driven through and put boots on the ground. (* Including Conch Republic *)
Canada - Only Ontario and Ottawa
Mexico - Mexico State - Neuvo Leon - Coahuila - Baja
Germany
France
Switzerland
Italy
Japan
New Zealand
9 Countries plus the specials that are not recognized as Bob stated.
I took one trip from Detroit Michigan USA to Munich Germany and from Germany flew over Russia to Nagoya Japan, and from Nagoya Japan flew back to Detroit. Post 9/11/2001 - Talk about security checks for one way tickets. And trying to explain flyng around the planet.
I forgot a whole bunch of Carribean islands as well. I will have to look them up and see which ones were alone and which are held by some other country.