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." ...

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

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 ...

Those wishing to see Big Boy No. 4014, the world’s largest operating steam locomotive, will have their chance Wednesday in Greeley. The popular train will be on public display during its whistle ...

Union Pacific’s ‘Big Boy’ No. 4014 steam locomotive rumbled its way into the metro. It began its “Heartland of America” tour in Cheyenne, Wyoming in late August and is making its way ...