Few large cities have managed to preserve their intimacy as effectively as Norway’s third largest city, Trondheim. An ancient city, it was founded by the Viking King Olav Tryggvason circa 997. Your tour starts from the pier and takes you to Norway’s national shrine, Nidarosdomen (Nidaros Cathedral) – Norway’s only Gothic style cathedral, built over the burial place of St. Olav, Norway’s patron saint.