St. Peter’s Catholic Church of Vienna (Peterskirche) can only be described as a kaleidoscope of ornamental design, bursting with an array of colour that will take your breath away! Located in the city’s First District, St. Peter’s Catholic Church can appear quite humble from the outside - it is not until you step through its doors that you will experience its stunning beauty. Dating back to the middle of the fourth century, this is one piece of history that you should definitely check out!