"Going on walkabout" is all about an escape...getting out on your own, away from civilization (or at least from what's familiar), going places you've never been and learning new things. For me, a longtime cyclist, I added a bicycle to that concept, and what you have is a "bikeabout." Ordinary people would just call this a cycling tour, but that's way too simple for me. I'll always think of these long trips as something more than just an ordinary vacation.
Anyway, here are links to the bikeabouts I've done so far. These pages were posted as the rides happened, and except for adding a few details later, they haven't been altered since.
Planning stages: Southern Tier cross-country ride...2014, maybe...?