QS World University Rankings published 2016 worldwide rankings:

2016 QS World University Rankings by Subject – Art+Design
http://www.topuniversities.com/universities/politecnico-di-milano#subject

Talke note that:
Art & Design ranks #10 worldwide;
Civil & Structural Engineering ranks #14 worldwide;
Architecture / Built Environment ranks #15 wordlwide;
Politecnico di Milano is first in Italy, #187 worldwide, #24 worldwide in the area of Engineering & Technology.