Stedelijk Museum Amsterdam

Amsterdam's museum of modern and contemporary art has spent over a decade with an odd nickname, the Bathtub. It comes from the smooth white extension added in 2012, a seamless synthetic shell by the architects Benthem Crouwel that grafts onto the ornate 1895 brick original by A.W. Weissman.

What the two buildings hold is one of Europe's great modern collections. The Stedelijk owns a large group of works by Kazimir Malevich, the Russian pioneer of pure geometric abstraction, alongside Mondrian and the other De Stijl painters, the raw post-war CoBrA group, and design from chairs to posters.

It sits on Museumplein between the Rijksmuseum and the Van Gogh Museum, the newcomer of the three.