Watching The Amazing Race, Survivor, and the movie Castaway, makes me wonder if you could these things in real life. To travel and survive in remote exotic or in some tropical island.Actually there is something that resembles much of the shows mentioned above. An article from CNN says that there were such adventure races, in 1998, there were 11-adventure races in U.S., in 2009, 194 races were held, the U.S Adventure Racing Association.
Learn more about adventure races, on the link below.
Link: A wilder way to vacation -- and sweat - CNN.com