Vienna State Opera
The opera house was the first major building on the Vienna Ringstrasse commissioned by the Viennese "city expansion fund". Work commenced on the house in 1861 and was completed in 1869, following plans drawn up by architects August Sicard von Sicardsburg and Eduard van der Nüll. It was built in the Neo-Renaissance style by the renowned Czech architect and contractor Josef Hlávka.
Haus der Musik
The Haus der Musik is located in the Palace of Archduke Charles, where Otto Nicolai, founder of the Vienna Philharmonic, lived around 150 years ago. Its honorary president is the Indian conductor Zubin Mehta. In 2009 it was the 19th most popular attraction in Vienna, with 205,000 visitors.