Add Yahoo as a preferred source to see more of our stories on Google. Sterling is welcoming the world’s largest and most powerful operating steam locomotive as it makes a stop on its latest tour. “Big ...

The world's largest operating steam engine, Union Pacific No. 4014 "Big Boy," passed through the Erie, Pennsylvania, area June 9. This event was part of the locomotive's East Coast tour celebrating ...

Editor’s Note: This story has been updated to clarify which rail lines Big Boy No. 4014 will use to travel on its Eastern leg. (NEXSTAR) — It’s the moment many locomotive fans have been waiting for: ...

Historic side-by-side: A two-week exhibition at Steamtown will feature Big Boy No. 4014 next to its sister engine No. 4012.

Big Boy No. 4014, the world's largest operating steam locomotive, is traveling this summer for the first time to celebrate America's 250th anniversary.