CHICAGO (WGN) — Every day, thousands of people cross the DuSable Bridge, but there’s a place hidden underneath that few people know about.
The bridge is framed by ornate limestone towers, and tucked inside is a winding stairwell with a door that leads to machinery Chicago deliberately hid more than a century ago.
Inside the McCormick Bridgehouse & Chicago River Museum, some of the biggest moving parts in Chicago are still grinding away…