The Great Chicago Fire
Interactive timeline activity from American Experience on PBS. Navigate the timeline to see the devastation and loss created by the Great Chicago Fire of 1871 over the span of less than 24 hours time.
http://www.pbs.org/wgbh/amex/chicago/maps/index.html
Ellis Island Virtual Tour
This virtual tour is on the Scholastic.com website and will show you a map of the Ellis Island Immigration center along with archive photos, audio clips and video clips from the Immigration Center while it was still in operation.