Kugelhaus
Built by Peter Birkenholz in 1928 and located in the große garten in Dresden, this five-storey sphere was home to a series of rooms and a restaurant. It was created for die jahresschau deutscher arbeit , Die Technische Stadt the annual showcase for German products.
Image: Bundesarchiv, Bild 102-09788 / Georg Pahl / CC-BY-SA 3.0