The Mill City Museum - one of my favorite buildings in Minneapolis. It was designed by MS, an architecture firm with a real flair for adaptive reuse. They also happen to have their offices on the upper floor of the building.
orthographic reconstruction of a cut of the Colosseum (Amphitheatrum Flavianum). The words 'colosseum' and 'coliseum' were unknown during the empire and it was called the 'Amphitheatrum Flavianum' or Flavian Amphitheater.