For no particular reason (cough), here’s some dudes doing world tours by bike. Very interesting reading. They almost all seem to be teachers!!!
www.gordontaylor.co.uk:
www.roundtheworldbybike.com
50,000 miles, 5 continents, 50 countries. Alone and on a bicycle.
www.cyclinghomefromsiberia.com:
Pedalling 15,000 miles home to England from a remote town in North East Siberia
www.downtheroad.org:
How we traded our ordinary lives for a global bicycle touring adventure
Corax: