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

Union Pacific will celebrate the 250th year of American independence with its first-ever coast-to-coast steam tour led by the ...

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

Union Pacific has announced the first leg of the tour of its legendary Big Boy No. 4014 locomotive will begin by leaving ...

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

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

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

The US is preparing another historic coast-to-coast journey for Big Boy 4014, the world’s ...

Union Pacific (UP) is joining in the celebration of 250 years of American independence and innovation this year with its ...

Union Pacific will join the nation in celebrating 250 years of American independence and innovation this year with its first-ever coast-to-coast steam tour led by the legendary ...

The tour schedule for the western leg of Big Boy's historic coast-to-coast tour was announced Monday. The world's largest locomotive, which weighs ...

(NEXSTAR) – There will be countless celebrations this year in honor of America’s semiquincentennial (aka, its 250th anniversary), but none may be as massive as a 1.2 million-pound locomotive rolling ...