Mallard was Britain’s answer to Germany’s rail speed claims in the tense years before World War II. Designed by Sir Nigel Gresley, the streamlined A4 locomotive used advanced aerodynamics, a powerful ...

Here is where you can see Big Boy No. 4014 in Kansas this week.

Hundreds of people line up to watch the world's largest operating steam locomotive, the Union Pacific’s Big Boy No. 4014, ...

CHEYENNE, WY ‒ Under wide blue skies, the world's largest operating steam locomotive has begun chugging east toward Philadelphia and the nation's 250th birthday celebrations. Union Pacific's "Big Boy" ...

Big Boy No. 4014, the world’s largest operating steam locomotive, will travel to the East Coast for the first time as part of a coast-to-coast tour celebrating America’s 250th anniversary.

CARROLL, Iowa (KTIV) - Union Pacific’s Big Boy 4014, the largest and most powerful operating steam locomotive in the world, rolled through Siouxland this weekend, drawing hundreds of spectators to ...

CLEVELAND, Ohio — Big Boy No. 4014 is heading back through Ohio, and anyone hoping to catch the world’s largest operating ...