Editor’s note: The video above captured Big Boy No. 4014 in Illinois during a prior visit. All-aboard: A one-million-pound ...

WEST CHICAGO, Ill. (WLS) -- The world's largest steam-powered locomotive is rolling its way through Chicago's suburbs, and drawing large crowds everywhere it goes. It's called the "Big Boy," and it's ...

WEST CHICAGO, Ill. (WLS) -- The world's largest steam locomotive, known as Big Boy #4014, left the Chicago area Tuesday morning. Dozens lined up to say goodbye as the train departed from West Chicago ...

A giant steam locomotive, the world’s only operating "Big Boy," traveled through Illinois before stopping in a Chicago suburb, where it will be on display for several days this weekend. One of the ...

Union Pacific’s Big Boy No. 4014 is returning to West Chicago in June, and he’s bringing some friends. The earth-shaking, 1.2-million-pound, 133-foot-long steam locomotive drew 45,000 people during a ...

CHICAGO (CBS) --Want to see one of the largest locomotives in the world? You'll have your chance, because Big Boy is headed our way. The Union Pacific 4014 "Big Boy" steam locomotive will be pulling ...