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

The Union Pacific Railroad used to be obsessed with power. The railroad spent decades searching for and developing one locomotive to rule them all. This search resulted in icons like the Big Boy and ...

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

OGDEN — A legendary locomotive made its return to Ogden this weekend. Union Pacific’s Big Boy No. 4014 made a weekend stop that drew thousands of visitors of all ages to Union Station from its arrival ...

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

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

Add Yahoo as a preferred source to see more of our stories on Google. Union Pacific's famed Big Boy steam locomotive will be headed west during its "Westward Bound" summer tour. The world's largest ...

As part of its “Westward Bound” tour, the world’s largest steam locomotive is coming to Roseville next week — one of only two major display stops the train is making while traveling through five ...

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

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 ...

CHEYENNE, Wyo. — Union Pacific’s Big Boy will return to California this spring in the first leg of its planned coast-to-coast ...

The Union Pacific No. 844 steam locomotive makes a brief stop Wednesday, Oct. 19, 2016 in Scott City while on its way to Memphis for the grand opening on Saturday of the new Big River Crossing, a ...