Art Institute of Chicago
Art Institute of Chicago (album).
The impressionists collection.
The arms and armor collection.
Mexican and African art.
The basic level of membership cost $80 and includes 2 adults and their children under the age of 18.
The most cost-effective parking is probably at the East Monroe Garage ($14) (it closes for renovation in May 2011 for one year) (source: 1, 2).
Art Institute of Chicago. Wikipedia.