1968 · Boston, USA

Boston City Hall

Kallmann, McKinnell & Knowles

Once called "the world's ugliest building", now defended as the era's clearest civic statement in concrete.

• Inverted-pyramid form with public spaces at the base, offices stacked above
• Inspired by Le Corbusier's monastery at La Tourette
• Won a 1962 international competition out of 256 entries