Shedd Aquarium is an indoor public aquarium in Chicago. Opened on May 30, 1930, the 5 million US gal aquarium holds about 32,000 animals. It is the third largest aquarium in the Western Hemisphere and the 11th-largest aquarium in the world.
The Shedd Aquarium is a highly-ranked world aquarium and at one time was the largest indoor facility in the world. It is the first inland aquarium with a permanent saltwater fish collection. From Wikipedia
