The historic "Big Boy" steam train will be making its final passes through Illinois as it heads back west. Here's where to catch it.

The world's largest operating steam engine traveled through multiple counties in Western Pennsylvania on Saturday, with one viewer capturing the action via drone.

The Union Pacific Big Boy No. 4014 received A’s all around as the 85-year-old, 1.2-million-pound steam engine, hauling 25 cars, chugged into little Leetsdale during a whistle stop on July 11. The Ferry family from Bethel Park gave it a triple-A rating.

Let us know! Union Pacific’s Big Boy No. 4014, the world’s largest operating steam locomotive, chugged through Pottstown in its maiden east coast voyage in celebration of America’s 250th birthday. Train fans endured triple-digit temperatures Thursday to watch the 1.

Welcoming Big Boy: Photos, videos capture world's largest operating steam engine in Western Pa.

Almost every little kid goes through a train phase at some point during childhood. There's just something about trains, especially the steam engines of bygone years. The steady chugging sounds, the way they move across a track, and that sense of adventure ...

Add Yahoo as a preferred source to see more of our stories on Google. FREEPORT, Ill. (WTVO) — The Silver Creek Museum & Stephenson Railroad in Freeport is open for a limited time over Memorial Day weekend, offering visitors a view of one of Illinois ...