Theophil Hansen buildings

national library in Athens, Greece

art school in Vienna, Austria

The ' ( or ; ), commonly shortened to ', is a concert hall in Vienna, Austria, which is located in the Innere Stadt district. The building opened in 1870 and is the home of the Vienna Philharmonic orchestra.

The Zappeion (, ) is a large, palatial building next to the National Gardens of Athens in the heart of Athens, Greece. It is generally used for meetings and ceremonies, both official and private, and is one of the city's most renowned modern landmarks.

Danish architect (1813–1891)

museum for the military History of Austria in Vienna

stock exchange in Vienna, Austria

academy of sciences in Greece

parliament building of the Austrian republic in Vienna

astronomical observatory in Athens, Greece

Greek Orthodox Church Cathedral

palace in Vienna

hotel in Athens, Greece

250px|thumb|Palais Erzherzog Wilhelm

palace