A visit to St. Stephen's Cathedral is a must for any visitor of Vienna. Austria's grandest gothic structure and the country's national symbol forms the epicentre of Vienna's Old Town and dominates the city's skyline. It is Austria's grandest gothic structure and the country's national symbol. Dating from the late 13ht century, the oldest existing feature is the Romanesque Riesentor (Giants' gate), the main entrance to the cathedral, the 137m south tower is a masterpiece of gothic architecture completed in 1433 after more than 70 years of work. On this tour we