Lord of the Rings: The Return Of The King was released on December 17th at a feature length of 3 hours and 30 minutes for this final film in the trilogy. I would recommend the collectors versions of the trilogy films if you are interested in learning more about the vast imaginary world which has been created based on the original books (The Hobbit and Lord of the Rings)
In connection with the trilogy and other famous works of J.R.R. Tolkien there have been a lot of development of various mythical stories and creatures, etymology of a lot of the elvish words used. One of the scolars (David Salo) of the invented languages Tolkien used in the books was called up to help the movie creators with the inscriptions on both the ring and the elven gate to the mines of Morea, along with the dialogue of the films and inscriptions on costumes and props. Another student of Tolkien came up with one of the more current applications of his studies and put his knowledge into a name generator. If you want to learn more, click here.