United Kingdom (England, Scotland, Wales, outer Hebrides, Channel Isles)
Norway, Sweden, Denmark,
France, Belgium, The Netherlands, Italy, Vatican, Germany, Austria, Greece (mainland and isles), Luxembourg, Lichtenstein, Switzerland
Nepal
Malaysia, Singapore, Indonesia (Java, Sumatra, Bali)
New Zealand, Hawaii ( sorry that USA isn't it), Tahiti,
USA, Canada
Oh and not to forget Tasmania
Travelling time: 12 months, 10 months and several 2-3months stints, and lots of shorter trips.
To be honest travelling isn't a priority for me anymore. There's a few places I'd like to go if I had spare money, but I'm not so passionate about it these days.