scale and architecture
...Colin Rowe's connection between the Altes Museum and the Assembly Building at Chandigarh.
Re: the dead end of urbanism as we know it
Check out Le Corbusier's plan for rebuilding Berlin (1961, i.e., just before the Wall) at the end of volume 7 of the Oeuvre Complete. In retrospect, it is almost bizarre in its intentions. Note the reenactment of Chandigarh's Palace Assembly next to the Reichstag!