Highlights include climbing the 343 steps to the Steffl's Watch Room for the spectacular views, and the North Tower, home to the massive Pummerin Bell (a fast lift takes visitors to a viewing platform).
Among Vienna's most popular attractions, Belvedere Palace is really two splendid Baroque buildings: the Lower (Unteres) Belvedere and the Upper (Oberes) Belvedere.
Vienna's superb National Theater (Burgtheater) has long been famous for its productions of German-language plays and performances.
Many famous names have acted on its four stages since its founding by Emperor Joseph II in 1776 as the Court Theater.
Vienna continues to attract visitors with its many great historic sights, as well as for its busy program of events and entertainment.
With an unmistakably cosmopolitan atmosphere, it retains a distinctive charm and flair, an effect accentuated by its fine old architecture, its famous horse-cabs (Fiaker), as well as its splendid street-side cafés with their Viennese coffees and treats.