walkabout

Short definition from Wiktionary

Noun

1. 1
   A nomadic excursion into the bush, especially one taken by young teenage boys in certain ancient-custom honoring tribes.
2. 2
   A walking trip.
3. 3
   A public stroll by some celebrity to meet a group of people informally.
4. 4
   An absence, usually from a regular place with a possibility of a return.