Pick an architectural disaster, stick with 60's or make new ones?

A development in London, which brings up some relevant issues.

Robin Hood Gardens: don't knock it… down

Robin Hood Gardens in east London has seen better days, but you should see the monstrosities they want to replace it with

Secret Subway

New York's gorgeous secret subway station.
(not so secret anymore)
Makes one wonder what other treasures lie hidden away in the city.