WTTW's Chicago Tonight asks Chicago trivia expert Geoffrey Baer: How did the Great Chicago Fire start? The answer to that question, and lots more. Want to watch more segments from Chicago Tonight? Visit http://www.wttw.com/chicagotonight

(9:19) | Source: wttw, chicago tonight

From the description on YouTube: "Lincoln Ave., Chicago, set for "Public Enemies" - Chicago city street dressed as 1934 for Johnny Depp movie 'Public Enemies.' "

(03:21) | Source: YouTube

Chicago's Lincoln Ave transforms for the film "Public Enemies" which is the story of John Dillinger and stars Johnny Depp and Christian Bale. CBS 2 has more.

(02:24) | Source: CBS 2

Metromix Jackie and Laurence Holmes of 670 the Score give a tour of the south side neighborhood Hyde Park

(04:14) | Source: Metromix

A friendly security guard on the set of "Public Enemies" talks with the "YouTube people." From the YouTube description: "A movie about the life of John Dillenger, "Public Enemy" This movie is being filmed in Chicago, and stars, Johnn Depp, Christian Baler and Matt Damon"

(00:43) | Source: YouTube

WTTW's Chicago Tonight samples the culinary history of Chicago’s African-Americans. Take a delicious tour with Geoffrey Baer. Visit http://www.wttw.com/chicagotonight

(9:00) | Source: wttw, chicago tonight

From the user's description: " The 2008 Gold Coast Art Fair returns to the heart of Chicago 676 N LaSalle Street, Chicago, Ill. Friday Aug. 8, 12 - 6 p.m.; Saturday, Aug. 9 - Sunday, Aug. 10, 10 a.m. - 6 p.m. Throughout the three-day 51st Gold Coast Art Fair more than half a million visitors will stroll through nine city blocks in the heart of Chicago's chic cultural River North neighborhood to indulge their senses in magnificent fine and functional art by more than 350 professional artists from as near as the City and as far as Israel. In the spirit of all this walking there will be a distinctive display of custom designed shoes by festival artists, and visitors are encouraged to drop off gently worn shoes in one of the drop boxes for Soles4Souls, the recognized non profit organization facilitating donations of shoes worldwide. Visitors can watch artist Jonas Gerard paint to music and other artists demonstrate their unique talents, or listen to live music ranging from acoustic rock to smooth jazz, or relax with a wine and food tastings courtesy of Chef John Caputo’s and guest chef Ted Allen ("Queer Eye for Straight Guy") Blue Frog Restaurant. Kids can take a creative break in the art tent. Admission is free. Parking is available at adjacent lots though public transportation is recommended. For more information: visit http://www.amdurproductions.com/gold-coast.html"

(02:17) | Source: Ann, Chicago

15 robots designed and built by Northwestern undergraduate engineer students went head-to-head at the university's 17th annual design competition. Watch one team's cram session the night before the battle and then the competition itself.

(05:30) | Source: Chicago Tribune