Hundertwasserhaus
The Hundertwasserhaus is a municipal apartment building at the corner of Kegelgasse and Löwengasse in Vienna's third district, built from 1983 to 1985 to the concept of the artist Friedensreich Hundertwasser with the architects Josef Krawina and Peter Pelikan. Its facade has colourful irregular patches, onion domes and trees growing from the terraces.