Walkabout (noun)

1. A journey or excursion, especially one made by an Australian Aborigine on foot through the countryside as a rite of passage or for spiritual reasons.
2. An unplanned or spontaneous departure, usually for an extended period of time.

Origin:

Mid 19th century: from wiradjuri (an australian aboriginal language) walkabout, walkabout.

Examples:

1. The young man went on a walkabout to find his true identity.
2. The walkabout is a traditional ritual that allows the young men to connect with their land and culture.
3. He went on a walkabout, leaving behind his job and responsibilities for a few months to explore the world.
4. The company CEO went on a walkabout and was not heard from for several weeks.
5. The movie follows the story of a young girl who goes on a walkabout to find her way back home.