The Votivkirche (Votive Church) is a neo-gothic church in Vienna, Austria. It was being remodeled when I was visiting, but much of the cathedral was still accessible. The church was built as a thanks to God when the Austrian Emperor Franz Joseph survived an assassination attempt in 1853. His brother helped raise the funds and it was dedicated in 1879. The church was badly damaged during World War II and has had various renovations since then. Wikepedia has some detailed information on the interior as well.