See Vienna's historic and modern highlights on a hop-on hop-off sightseeing bus tour with audio commentary. Choose between a 24-hour or 48-hour pass to suit your schedule. All tickets include a Self-Guided Audio Tour. Additionally, you can choose a Guided City Walking Tour, Danube River Cruise, or a trip on the historic Giant Ferris Wheel. Experience "Old Vienna's" landmarks including the Opera House, Museum Quarter, Hofburg Palace, Parliament, Town Hall, and the Danube Canal. The City Route takes you outside the city center past Prater Amusement Park to "Modern Vienna", with breathtaking views of the Vienna mountains, UNO City, and Danube Island. Starting in the city center, explore Vienna's famous palaces on the Palace Route. Pass the Hofburg Palace, then venture out of the city to see the Schönbrunn Palace and the Belvedere Palace. See the suburban areas of Vienna, the expressionist landmark Hundertwasserhaus, and the “New Modern” Hauptbahnhof. With the 24-hour Ticket, you can see the best of Vienna in one day. Use the self-guided audio walking tour to learn more about the city at your own pace. If you purchase a 48-Hour Ticket, you can join a Guided City Walking Tour with a licensed guide who will lead you through the pedestrian area of Vienna’s Old Town. Learn more about the fascinating imperial history with comprehensive insight into some of its most notable buildings. Choose the 48-Hour Ticket option to enjoy either a scenic Danube River Cruise or a spin on the historical Ferris Wheel. You can also join a Guided Inner City Walking Tour with a licensed guide who will lead you through the pedestrian area of Vienna’s Old Town. Learn more about the fascinating imperial history with comprehensive insight into some of its most notable buildings.