This summer marks the 20-year anniversary of a brutal heat wave that hit Chicago and left more than 700 people dead. Tonight, WGN chief meteorologist Tom Skilling and Northeastern Illinois University professor emeritus Robert Starks join us to remember the summer of 1995.

It's finally summer! Geoffrey's headed for the lakefront with three questions about the area around Chicago's most popular tourist destination.

Geoffrey Baer tours a Miracle House, swings by a bobtail swing bridge, and makes some noise at a silent film studio in this week's edition of Ask Geoffrey.

Geoffrey Baer tells a sweet South Side success story, tests the waters at an unusual car wash, and finds the facts behind a fascist monument in this week's edition of Ask Geoffrey.

The Eastland Disaster of 1915 marks the capsizing of the SS Eastland on the Chicago River that claimed at least 844 lives. It is considered one of the greatest loss-of-life tragedies in Chicago history.

Electrical problems and soggy weather fizzled Saturday night's Great Chicago Fire Festival. Paris Schutz has more on the aftermath and the mayor's plans for the event moving forward.

Geoffrey Baer explores how postal workers almost foiled the plans for D-Day, Chicago's sweet history of candymakers, and a grisly Lakeview murder legend.

In part three of our Vivian Maier series, Jay Shefsky introduces us to several people trying to unravel the mystery of the celebrated photographer.

In part two of Jay Shefsky's series on photographer Vivian Maier, we meet other owners of her remarkable archive and explore the international explosion of interest in her work.

Malachy Towey and Kevin Henry are two of the elder statesman of Irish music in Chicago. Towey, age 93, plays the bodhrán, an Irish frame drum. Henry is 85, and plays the flute. For more than 50 years, they have been part of a vibrant Irish music scene in Chicago.

Jim Tilmon discusses his career, WTTW’s “Our People,” and the impact African American programming has had on public affairs television.

Author Rich Cohen joins us to talk about Monsters: The 1985 Chicago Bears and the Wild Heart of Football, his new book that captures the heart of the 1985 Monsters of Midway. Read an excerpt.

On Aug. 8, 1988, 25 years ago tonight, history was made at Wrigley Field with the first scheduled night game in the history of the storied ballpark. Watch Chicago Tonight's coverage of the event in this web extra video from our archives.

From Yves Saint Laurent to Emanuel Ungaro, the top fashion designers in the world were represented in the annual Ebony Fashion Fair. We take a look at the 50-year history of a fashion show designed to bring elegance to the African American community nationally.

Bruce DuMont hosts a conversation about reform in Chicago with Mayor Harold Washington and Crain’s Chicago Business publisher Joe Cappo on a Chicago Tonight episode from August 29, 1984.

We begin a three-part series on the amazing story of Vivian Maier, the Chicago nanny who took more than a 100,000 photos during her lifetime but never showed them to anyone.