Hundertwasserhaus – Vienna’s higgledy-piggledy apartment block:   Council housing blocks are not what you’d normally want to visit on any holiday sightseeing tours.  However, in Vienna, the Hundertwasserhaus is something quite extraordinary. Hundertwasserhaus was originally a dour council housing block.  Friedensreich Hundertwasser, an Austrian artist, wanted to prevent something ugly from going up in its [...]