VIENNA SIGHTSEEING TOURS offers guided tours, day trips and concerts - you can pick a city tour in Vienna, a trip to Salzburg or Danube Valley, visit Bratislava, Budapest, Prague, Hallstatt and Semmering. Furthermore, the HOP ON HOP OFF tours are a comfortable way to explore Vienna. You can choose from up to 6 routes and 50 stops. Hop on and off at as many stops as you like with just one ticket. Tickets also include a guided city walk through the historical city centre of Vienna. Optionally, you can add on a boat tour or a ride in a horse-drawn carriage.