A Secessionist masterpiece dating from 1915. The inside was magnificent (although the rooms are said not to live up to the public areas and exterior), and the pictures I took there will be part of a small sub-gallery (when I get to them!).
Nikon D700
,AF-S Nikkor 24-120mm F4G ED VR 1/250s f/13.0 at 44.0mm iso200
full exif