The "Big Boy" No. 4014, the world's largest steam engine, visited Ennis, exciting locals and train aficionados.

The Big Boy No. 4014, the largest operating steam locomotive, makes whistle stop in De Soto, drawing as many as 10,000 people.

MEXIA, Texas (KWTX) - The world’s largest operating steam engine, Big Boy No. 4014, made a stop at E Commerce St. Crossing in ...

Big Boy No. 4014 is the last of its kind still in operation, and is the largest steam locomotive in the world.

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 locomotive steam engine train rolled through East Texas bringing out thousands of spectators.

KLTV’s Jamey Boyum gives us a glimpse of Union Pacific’s big boy locomotive as it starts moving in Omaha after a delay of ...

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