CHICAGO BUILDINGS TO SNEAK AROUND IN

No I don't mean have sex in these buildings. I literally mean sneak around into seemingly restricted areas to catch glimpses of some incredible architecture
  1. Reliance Building
  2. Monadnock Building
  3. Auditorium Theater
  4. Marquette Building
  5. Merchandise Mart
  6. Wrigley Field
  7. Drake Hotel
  8. The Rookery