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In tonight’s edition of Ask Geoffrey, we revisit Chicago’s School Street, the history of Chicago’s civil defense unit, and a tree planted by Ulysses Grant in a South Side park.

Travel Back in Time Through Your Window to the World

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Geoffrey Baer takes you through time right outside WTTW's front door in this week’s edition of Ask Geoffrey.

Mt. Prospect's Missing Mountain

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Geoffrey Baer climbs the highest heights in Chicagoland, gets on his soapbox at Bughouse Square, and tours Chicago via World War I monuments in this week’s edition of Ask Geoffrey.

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Geoffrey Baer cruises down the neon highway, revisits the toll roads of yesteryear, and recalls the days the sport of kings was king in Chicago sports. 

Geoffrey Visits a Spot Where North Meets North

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We revisit Geoffrey Baer’s trip to a rediscovered war curiosity, a long-lost war trophy, and a place in Chicago where north meets north in tonight’s Ask Geoffrey.

What's Pasta is Prologue?

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Geoffrey Baer discovers mobbed-up macaroni makers, a boat launch that's gone to the dogs, and a beautiful reminder.

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Geoffrey Baer compares fact and fiction in a long-ago murder, explores the life of an architectural pioneer, and strolls the Riverwalk in this week’s Ask Geoffrey.

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Geoffrey Baer peeks into a Wrigley Field teepee and goes under the dome at Preston Bradley Hall in this week’s Ask Geoffrey.

Geoffrey Explains Why There’s a Fish in a Tree, More

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Why is there a trout among the trees alongside Golf Road? Geoffrey Baer tells the story of the one that got away and answers other viewer questions in tonight’s Ask Geoffrey.

"L" Cars, & Catalpa Avenue

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Geoffrey Baer tells us what's at the end of the line for old "L" cars and more as we revisit a previous edition of Ask Geoffrey.

The Fall of Icarus and a 1980 Grand Prix

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Geoffrey Baer revisits an iconic movie car chase and some mythological metaphors in tonight's edition of Ask Geoffrey. 

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Geoffrey Baer answers some of our viewers' questions in tonight's edition of Ask Geoffrey.

Street Names, Operation Skywatch, & More

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Geoffrey Baer talks plotters and spotters, is a boulder beholder, and beats feet on School Street.

What IS that thing?

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Geoffrey Baer answers the questions of six viewers who wonder what's up with weird objects in and around Chicago.

Geoffrey Revisits 100 Years of History at Wrigley Field

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Geoffrey Baer turns the lights on at the Auditorium Theatre, tells us where the hulking gas holding tanks went, and revisits 100 years of history at Wrigley Field in this week’s edition of Ask Geoffrey. 

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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.