Union Pacific plans to send Big Boy No. 4014 on a transcontinental trip next year as part of the nation’s 250th anniversary ...

The "Big Boy" is making two stops in Northern Colorado this week. The first stop for the world's largest operating steam locomotive was in Greeley on Tuesday and the next stop for Union Pacific's ...

Challenger, the world's largest operating steam locomotive, is scheduled to roll through Nebraska again today. The silver and black engine is making its return trip from Houstonto its home base in ...