FORT WORTH, Texas - The world's largest operating steam locomotive will be in Fort Worth through the weekend. Union Pacific's Big Boy No. 4014 will chug into Fort Worth to be on display Thursday.

Union Pacific's famed Big Boy steam locomotive will be headed west during its "Westward Bound" summer tour. The world's ...

Union Pacific Big Boy Loco Add-On The Union Pacific Railroad's Big Boy 4-8-8-4 steam locomotive is undoubtedly the beast of American railroading history, and this epitome of heavy haulage is now ...

A steam locomotive, which has been restored in memory of a boy from Plymstock, has made its maiden voyage ... "It's exciting to have everyone here - it's been a big project for a long time now and ...

Cheyenne was a bustling hub for UP steam in the 1950s Its where the Big Boys were based during their ... of the men who once worked on these famous locomotives and will learn about the operational ...