This is the crypt chapel of von Arco and von Moy. In 1852/55 it was built for the Bavarian Elector Maria Leopoldine of Austria-Este under the direction of Professor von Volz from Munich. It is a neo-Gothic building with pinnacle turrets. If you don't know the Electress, you should read her wiki entry de.wikipedia.org/wiki/Maria_Leopoldine_von_Österreich-Este. Emancipated, a successful businesswoman and savior of the Wittelsbach throne. It's worth looking at your eventful life and this strong woman. Here's another quote from her: You have to be one of the strongest in order to be able to break the windows and especially have great independence of wealth and ambition, but our good country doesn't produce many beings of this kind.