I dream of quitting my day job and visiting all continents of the world
there  are so many ways to travel, y foot, bike, car, train, bus, boat, plane, you could also do a veriety 
Plane is considered the safest right? judging by the fact one is traveling a far distance
Yes I believe so at least for long distance, travel can also inlcude short stays or distances as well
So even if I have to break for ten times so long as I return to my original position, it's considered as travel?
work'. According to the Merriam Webster dictionary, the first known use of the word "travel" was in the 14th century. It also states that the word comes from Middle English "travailen", "travelen" (which means to torment, labor, strive, journey) and earlier from Old French "travailler" (which means to work strenuously, toil). In English we still occasionally use the words "travail", which means struggle. According to Simon Winchester in his book "The Best Travelers
psychological thing and I can't explain it. I have not flown on a plane for two years. The Dutch FA has been sympathetic, so have Arsenal, so far. I am considering psychiatric help. I can't fly. I just freeze. I get panicky. It starts the day before, when I can't sleep.
The condition severely limited his ability to play in away matches in European competitions and to travel with the national team. In some cases, he would travel overland by car or train