Union Pacific's Big Boy No. 4014 will depart from Denver Union Station back to the locomotive's home base in Cheyenne, ending the locomotive's "Heartland of America Tour." Big Boy No. 4014 will ...

The world's largest steam engine is coming back to Colorado. Union Pacific will bring Big Boy No. 4014 through Colorado from Monday, Oct. 21, to Wednesday, Oct. 23, on its "Heartland of America Tour." ...

Union Pacific's Big Boy No. 4014 steam locomotive is making a stop in Kansas City for its Heartland of America Tour. Officials said the 1.2-million-pound wonder will arrive at Union Station around ...

OMAHA, Neb. (KKTV) - The legendary steam locomotive Big Boy No. 4014 will be traveling through Colorado this Week! Union ...

Union Pacific’s Big Boy No. 4014 – the iconic, one-million-pound steam locomotive – made a stop in Denver Wednesday morning, and Airtracker7 was overhead. News Today's news ...

GREELEY — Hundreds of people lined the Union Pacific railroad tracks in Greeley on Wednesday to get a glimpse of Big Boy No. 4014, the world's largest operating steam engine. People cheered and ...