Krzywy Domek, a shopping center in Sopot, Poland. Designed by Szotynscy and Zaleski, its peculiarity is it has no right angle walls. All walls are curved. The creators were inspired by fairy tales of Jan Marcin Szancer and Per Dahlberg.
The Upside-Down House, Szymbark, Poland. This structure was built by Polish philanthropist and designer Daniel Czapiewski to serve as a constant reminder of "wrong-doings against humanity" and the backwardness of the world.
The Kuchlbauer Tower (German: Kuchlbauer-Turm) is an observation tower designed by Austrian architect Friedensreich Hundertwasser on the grounds of the Kuchlbauer Brewery in Abensberg, a town in Lower Bavaria in Germany