At the international airport of Chicago i.e. the Chicago O'Hare International Airport there are a number of orientation resources for the tourists who include city maps and guides and also special orientation sessions.

A lot of information about travel facilities in Chicago can be obtained from the Chicago tourism department located at almost all major airports of Chicago like the Chicago Midway Airport.

Railway and road transport facilities are available in journals like the Midwest Road and Rail Journal and the Chicago tourism journal.

http://www.planetware.com/illinois/chicago-us-il-chi.htm

Zoos have a unique place among the attractions of a place and Chicago is no exception. The Zoos at Chicago attract a lot of people from different parts of the world. The total number of zoos in and near Chicago is 4.

Although the city lacks a huge number of zoos, unlike several other places in United States, the zoos available in the city are popular among the visitors.

The Chicago zoos include the "Lincoln Park Zoo", "Brookfield Zoo", Cosley Zoo and the "Philips Park Zoo". Among these the "Philips Park Zoo" is the smallest one.

If you are looking for additional information on the Chicago zoos, please log on to the below mentioned websites:

http://www.familytravelguides.com/articles/museums/m&z9.html