Mentioned by The Crazy Tourist
50 Best Things to Do in Chicago (IL
"Sharing the Museum Campus Chicago with the Field Museum and the Adler Planetarium, the Shedd Aquarium (1930) was for some time the largest indoor aquarium in the world. Donated by the philanthropist John G. Shedd, the attraction has an incredible 32,500 aquatic creatures from across the planet. These are in immersive zones like Amazon Rising, which has caimans, anacondas, piranhas and freshwater stingrays in tanks among the roots of rainforest trees."