Railfans and families who missed their first glimpse of the world’s largest operating steam locomotive will soon get another chance.

Union Pacific announced several new stops for Big Boy engine #4014, the world's largest operating steam locomotive, as part of a transcontinental tour celebrating the nation's 250th anniversary.

A historic steam giant will draw crowds to Ogden, as Union Pacific’s Big Boy locomotive arrives for a free public event tied ...

Tens of thousands of engineering enthusiasts and history buffs flocked to Ogden, Utah on April 18 to see Union Pacific Railroad's legendary 'Big Boy' No. 4014 steam train. The world's largest ...

CHEYENNE, Wyo. — The world's largest steam locomotive is returning to the rails this year in honor of America's 250th anniversary. Union Pacific Railroad said its first-ever coast-to-coast steam tour ...

Union Pacific intended to call its Alco 4-8-8-4s the Wasatch class, in honor of the Wasatch Mountains, through which the ...

Editor’s Note: This story has been updated with an additional date for the Ogden, Utah, stop initially omitted by Union Pacific. (NEXSTAR) – The wait is over, sort of. Union Pacific has announced the ...