Esther Bergdahl

Craig Ruttle/AP

Where's the Boundary Between Public Art and Advertising?

Experts in both fields weigh in on how the Fearless Girl statue illustrates—and collapses—the distinctions.

Library of Congress, Geography and Map Division/Mark Byrnes/CityLab

A Pilgrim in Chicagoland

I didn’t feel at home in my new city until I became a tourist in my old one—and brought back the souvenirs to prove it.

REUTERS/Ki Price

Why Do Passengers Insist on Crowding Around Subway Doors?

And how can you get the bottleneckers to move?