The Chicago Architecture Foundation (CAF) is a nonprofit organization based in Chicago, Illinois, USA, whose mission is to inspire people to discover why architecture and design matters. It is well known for its public programs, most notably the docent-led architecture cruise on the Chicago River, and bus, walking, bike, Segway and 'L' train tours of the Chicago-area. CAF is also known for its scale model of downtown Chicago. CAF was named the [http://travel.usnews.com/Chicago_IL/Things_To_Do/ #1 best thing to do in Chicago by U.S. News and World Report] in 2012. - Source: Wikipedia
