An exceptional work of art and a true must see when in Chicago. You’ll have to share your picture with lots of other tourists, but it is still worth it.

Cloud Gate, 201 E. Randolph St., Millenium Park, Chicago, IL 60601-6530
https://www.cityofchicago.org/city/en/depts/dca/supp_info/millennium_park_-artarchitecture.html
312-742-1168

Visited August 2015. You can find my review about Cloud Gate also on TripAdvisor.