New Museum, US by SANAA (scroll down to read more)
The New Museum is New York's only museum devoted entirely to contemporary art and it owes its cutting-edge new home in the Bowery district to Tokyo-based architects SANAA. The seven-storey building was conceived as a composition of metal mesh-clad boxes, which softly shift off the main axis, creating a dynamic effect as the building rises.

 

Best new public building

architecture   04 Jan 2008