With the icons, museums and neighborhoods done, day four goes big in Hyde Park and green in Garfield Park.
Morning
The Griffin Museum of Science and Industry: the U-505 submarine, the tornado chamber and the Fairy Castle, in the last palace of the 1893 World’s Fair. Give it three hours minimum.
Afternoon
Stroll the University of Chicago’s Gothic campus and the Robie House, then cross town to the Garfield Park Conservatory — free, tropical and glorious in any weather. Details in the ultimate guide.
Evening
Dinner in the West Loop’s Restaurant Row (Randolph Street), where Chicago’s best kitchens line up door to door.
