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.
Opernhaus am Zwinger
The (Opera house at the Zwinger) was a theatre in Dresden, Saxony, Germany, opened in 1719. The architect of the Zwinger, Matthäus Daniel Pöppelmann, was also responsible for the opera house situated next to its south-western pavilion. The building replaced the first opera house of Dresden, the Opernhaus am Taschenberg, which was transformed to a church.