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

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

This fall one of the largest and most historic steam engines in the world will speed through the Sooner State as part of a tour across America. Union Pacific No. 4014, better known as "Big Boy," will ...

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 ...