Cheyenne-based Big Boy 4014, the world's largest operating steam locomotive, will make its first ever coast-to-coast tour ...

The 133-foot-long locomotive is the only Big Boy to still travel the tracks.

Union Pacific has released new details on the schedule for its first-ever coast-to-coast tour of its 'Big Boy' historic ...

Big Boy No. 4014, described as “the Elvis Presley of locomotives,” could begin its first ever coast-to-coast tour in just a ...

A massive steam locomotive will be celebrating 250 years of American independence by making its first-ever coast-to-coast ...

CHEYENNE, Wyo. — The world's largest steam engine will return to the rails in 2026. Union Pacific Railroad said Big Boy No. 4014 will return to the rails in a "big way" in honor of America's 250th ...

The world’s largest operating steam locomotive is being readied for a spectacle that will stretch from ocean to ocean in 2026 ...

For the first time ever, both coasts could receive a visit from the world's largest operating steam locomotive.

DENVER — The world's largest steam engine will be making whistle stops across the United States during two tours planned for summer and fall. Union Pacific’s famed Big Boy No. 4014 will begin its ...

A distinctive whistle sound announced the world's largest steam locomotive would soon arrive. Union Pacific's newly restored Big Boy No. 4014 had powered through the suburbs Friday as part of its ...