Published on Friday, February 3, 2012 by Kathy McCabe If you're traveling to Italy in 2012, you don't want to miss the following special museum exhibitions in Rome, Florence and Venice: Rome:  Lux in Arcana: The Vatican Secret Archives Revealed  is the must-see exhibition in Rome this year. Over 100 original documents -- spanning 400 years of Papal history -- will leave the confines of Vatican City for the first tim...