In his book, "Journey to the Centre of the Earth", Jules Verne wrote about a secret ocean below the surface of the Earth. I watched the movie yesterday and "The Journey to the Centre of the Earth", was really amazing. Scientists now reveal that it may be possible that there is a secret reservoir of water below the surface of the Earth.
http://uk.news.yahoo.com/earth-secret-reservoir-water-scientists-191039455.html#nesaO4h
http://www.imdb.com/title/tt0373051/