The Field Museum is located on Lakeshore drive next to Lake Michigan in Chicago. It is part of the scenic complex referred to as Museum Campus Chicago.

http://en.wikipedia.org/wiki/Field_Museum_of_Natural_History

The Field Museum Chicago free days are offered every year. You can access the museum free for 52 days. The hours for the target free Mondays are from 9am to 5 pm. There are also other days that the museum opens its gates free to people. These are specified on the field museum website.

The museum targets to offer the free days on the second Monday of the month. On the normal days, the daily charges apply and the museum is open every day from 10 am to 4 pm. It can be a great visit in your Chicago Illinois travel.

Field Museum free days

http://www.fieldmuseum.org/plan_visit/free_days.htm

Field Museum Chicago home page

http://www.fieldmuseum.org/CalendarSystem/Search_Type.asp?Type=LEC

Attractions of the field museum Chicago

- Exhibits such as Sue the largest Tyrannosaurus, Native American artifacts, taxidermy collections.

- Research and great collections; the museum has over 21 specimens

- Festival performances

- Lectures and courses

- Family programs

library featuring natural history

8/5/2011 Update: The Free Day schedule has shifted and no longer includes the 2nd Monday of each month. Also note that free admission only applies to Illinois residents on Free Days.