Saints - V

Valentine = St. Valentine is, of course, the originator of Valentine's Day and is synonymous with the idea of love and marriage. For more info see St. Valentine. 
Vatican = The Vatican, aside from Jerusalem, is probably one of if not the global headquarters for the Order of Priests. Pages could and have been written detailing the history between the Order and the Vatican, especially in regards to the Vatican's many secrets. For more info see Vatican. 
Vatican Library = The Stygian network of books, manuscripts, lost tomes and unknown codexes, the Vatican Library is one of the most formidable and closely guarded resevois of knowledge in the world. For more info see Vatican Library.