Adler Planetarium & Astronomy Museum - was built in 1930. It is the oldest planetarium in the world.<br>Art Institute of Chicago - has a large collection of American and Impressionist art.<br>Field Museum of Natural History - has "Sue", the largest and most complete "Tyrannosaurus" fossil.<br>Museum of Science and Industry - has many exhibits, for example a real Boeing 727 jet plane. United Airlines gave it to the museum.<br>Polish Museum of America - The museum is haunted by famous piano player Ignacy Jan Paderewski. It has large collection of Polish art.<br>Shedd Aquarium - at one time the world's largest aquarium. It has 19 million liters (5 million gallons) of water and 22,000 fish.