Musically, there's not a much more maligned genre than disco. Disc Jockey Steve Dahl had more reason than most to have a problem with it. In 1979 he was fired when his radio station switched to an all-disco format. So, after his move to WLUP, he and a few other hustle-haters came up with the idea to let baseball fans into the Sox-Tigers July 12 double header for 98 cents. In exchange, the fans brought disco records to be blown up in the middle of Comiskey Park in between the two games.

A few weeks ago I put the trivia contest on hold so I could concentrate on Save Chicago Culture, a petition website to stop the potentially crippling "promoters ordinance" from being passed. Within a few short days there were over 6,000 comments from participants and fans of culture. This overwhelming reaction, combined with Alderman Schulter's meeting with prominent figures in the music industry, caused the City Council to step back and take another look at the damage the current language could inflict.

Artropolis takes over the Merchandise Mart April 25 - 28. This historic landmark has 4,000,000 square feet of floor space, its own zip code, and takes up two square city blocks.

Everyone's heard of the Great Chicago Fire, but did you also know there was a Great Chicago Flood?

Just south of Kinzie Street and north of where the Chicago River splits stands a perpetually raised bridge. This bridge marks the spot where a crack in an underground tunnel caused by construction crews allowed the river to pour in, starting a massive flood that filled buildings throughout the Loop and prompted an evacuation.

On April 3, 1848, the Chicago Board of Trade opened. Since then it's moved a couple of times, once because of the Chicago Fire, until settling into its current location at LaSalle and Jackson. Where was the CBOT originally located?

Email your answer, and include your mailing address, to trivia@thelocaltourist.com by midnight on April 7.

On the last Sunday in February is Hustle Up The Hancock, an annual stairclimb race that ends at the 94th level observation deck. While the building is situated on some of Chicago's most valuable real estate, the land beneath was originally a sandbar until one of the city's most colorful characters crashed into it and decided to stay.

This weekend the 100th Chicago Auto Show begins. However, the show didn't run consecutively for the last century because of World War II. What year did the first auto show take place?

Email your answer, and include your mailing address, to trivia@thelocaltourist.com by midnight on February 10. This week's prize is two tours with Watson Adventures.

The Christkindlmarket is starting its 12th year in Daley Plaza, but the concept has been around for centuries. What year did the original one start, and where was it?

Email your answer and mailing address to trivia@thelocaltourist.com for a chance to win dinner for two at DeLaCosta.

Congratulations to Melissa A!

Q: Today is the 136th anniversary of the Great Chicago Fire, which started in Mrs. O'Leary's barn, allegedly by her infamous cow.

The peristyle in Millennium Park used to be the site of a baseball stadium. What team played there, and what did they later become? (Hint: check Wikipedia)

(Thank you to Gene Kraus for this week's trivia question.)

Email your answer to trivia@thelocaltourist.com

This week's prize is to be determined. It'll be a surprise! Actually, I'm working on it while I'm out of town. I'm thinking of offering a framed print of any picture on The Local Tourist now or from the photos on the trip, winner's choice.