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Places I've been

Places this traveler has marked as been there.

As there are no street signs on Carroll Avenue, people spray paint both locations and overhead cross streets to keep others from getting lost

Chicago, Illinois

Carroll Avenue

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Typical intersection.
Permanently Closed

Chicago, Illinois

Chicago Freight Tunnels

A century-old network of freight tunnels underneath the city's historic business district.