Union Pacific's Big Boy No. 4014 is making a stop in Houston as a part of its Big Boy Heartland of America Tour.

The world's largest operating steam locomotive made a stop in the Dallas area this week.Union Pacific's Big Boy No. 4014 made ...

Union Pacific's Big Boy No. 4014, the world's largest operating steam locomotive, will chug through North Texas on Wednesday, ...

The world's largest operational steam locomotive left Dallas on Thursday morning and is headed for Houston. Union Pacific's "Big Boy" is chugging toward Houston where it will be on display next month.

The locomotive’s bell clanged loudly as the long, black train rolled to a stop. Its deep whistle blew, its loud roar ...

Visitors will have a chance to see the largest operating steam locomotive in the world in Arkansas this weekend.

Area railroad enthusiasts will get an unique opportunity to catch a glimpse of Union Pacific Railroad's Big Boy steam engine ...

Leno was aboard Big Boy 4014 when the world’s largest operating steam engine traveled from Council Bluffs to Denison in ...

Illinois residents will have one final chance to see Union Pacific's 4014 Big Boy steam engine before the locomotive sets off ...

The Big Boy steam locomotive attracted enthusiasts in Chicago with its historical appeal and modern sustainability efforts.

Of the 25 Big Boy locomotives commissioned by Union Pacific in 1941, only eight survive today. Union Pacific reacquired Big Boy No. 4014 in 2013 from the RailGiants Train Museum in Pomona, Calif., and ...