In fact, it was our introduction to travel, our first modus operandi. Childhood browsings led us to the interests and friends we would take into adulthood as we embraced this, rejected that. Fun may be the most specific need related to . . . seeing new places. It's the genetic reward for learning. When you wander, the reason is to learn.
Outside opinions curb wandering ways.
Before and during the Renaissance, clerics considered travel a sin, a gluttonous feast of pleasurable sensations that put a blasphemous focus on the material world instead of the hereafter. They derided curiosity as lust of the eye. The stigma remains, though. Journeying for journey's sake has an indulgent scent, still heretical, still guilt-provoking. Joseph Campbell's path was anything but normal.