Introduction

A Preview

"This is Chicago. You've seen it in movies. You've seen it on postcards. Or more likely, Instagram. Now you'll see it in person. You're going to see a river that flows backward because Chicago didn't like where the sewage was going. A building covered in stolen rocks from the Parthenon, the Taj Mahal, and the Great Wall of China."

Hear the full story in the app — narrated and timed to play right where you're standing.