Train lovers flock to see “Big Boy,” the world’s biggest steam locomotive

Here's when Big Boy is rolling into western Pennsylvania

Largest steam locomotive in the world 'Big Boy' tours East Coast USA for 250th Birthday

Union Pacific Big Boy locomotive No. 4014 to make stop in Rocky River on July 13

WATCH LIVE | Historic Union Pacific Big Boy locomotive No. 4014 arrives in Rocky River

‘Big Boy' the world's largest steam locomotive, is chugging its way to Philly

Historic Union Pacific Big Boy locomotive No. 4014 making stop in Rocky River

Historic Union Pacific Big Boy locomotive No. 4014 moves through downtown Cleveland