See the highlights of vienna on a full day of sightseeing combining two bestselling guided tours at a 15 discount this vienna super saver starts with a city walking tour seeing top vienna attractions such as heldenplatz st stephens cathedral and hofburg palace hear tales of viennas history and culture from your guide and then spend your afternoon seeing the city sights by bike pedal around at a steady pace discovering places like prater park with its iconic riesenrad ferris wheel