I saw the movie Wild not long ago. True story of a woman, portrayed by Reese Witherspoon, who hikes the PCT.
Thing is though, it's not just literal, it is a metaphor. It is a literally a difficult journey, but it also uses the difficult journey as a metaphor for a difficult journey.
Thanks to FireChat, a peer-to-peer wireless networking app created by Open Garden, thousands of attendees at this years Burning Man are now staying connected to each other through their smartphones. Once upon a time, making the trek to the annual festival in the Nevada desert meant leaving behind the ease of modern communications, but with FireChat, those iOS and Androids phones can still keep you connected to other attendees (assuming you can keep the devices charged).