Jennifer Masengarb

Engineers once compared Chicago’s soggy soil to jelly cake. How did they build a forest of skyscrapers on it?

Tempted to ignore the revolving door? Here are the revolutions that made the city a magnet for this seemingly simple device.

Here’s a peek at what goes on inside some of these “mystery buildings” and how their architectural disguises have evolved over the decades.

Today’s Chicago architects answer why they build the way they do, and to what degree their inspiration comes from the city’s past. Full story, with photos and additional interviews from Chicago architects and developers.

Tempted to ignore the revolving door? Here are the revolutions that made the city a magnet for this seemingly simple device.

Unsung urban planning hero Edward Brennan tamed a chaotic 19th-century street-numbering system.

Engineers once compared Chicago’s soggy soil to jelly cake. How did they build a forest of skyscrapers on it?