Vienna Pass Including Vienna Hop-On Hop-Off Bus Ticket. Enjoy free access to over 60 attractions on your next trip to Vienna with this 2-, 3- or 6-day sightseeing pass. Take a ride on the Giant Ferris Wheel, wander the Schönbrunn Palace and relax with unlimited hop-on hop-off bus rides to carry you between the city’s top attractions. Entrance to other iconic attractions, including the famous Spanish Riding School (Spanische Hofreitschule) and Danube Tower, is also included. Book Now and Save 10% Off Vienna Pass Including Vienna Hop-On Hop-Off Bus Ticket.