Big Boy is still drawing big crowds as the world's largest operating steam locomotive begins its homeward run to cap its first-ever coast-to-coast journey. Formally known as #4014, the Union Pacific ...

Union Pacific’s 1.2-million-pound iron giant is on its first coast-to-coast tour. At every stop, rail fans break down.

Big Boy rounds the bend and is greeted by thousands of fans during a Whistle Stop in Leetsdale. [Eleanor Bailey] The Union Pacific Big Boy No. 4014 received A’s all around as the 85-year-old, ...

Add Yahoo as a preferred source to see more of our stories on Google. The world's largest operating steam locomotive is headed west to wrap up its 10-stop journey across the United States following a ...

This story was updated to include information about the whistle-stop in Dwight. The world's largest operating steam locomotive is headed west to wrap up its 10-stop journey across the United States ...