Union Pacific's Big Boy No. 4014, the world's largest operating steam locomotive, is drawing crowds as it makes its first East Coast tour ahead of America's 250th birthday.

"For nearly half of the nation's history, the steam locomotive was the outstanding symbol for progress and power. It was the literal engine of the Industrial Revolution, and it played an instrumental ...

Hundreds of people lined the tracks along Roundhouse Road in Lewistown Wednesday afternoon to catch a glimpse of one of the ...

Steam trains, 19th century railways, and majestic redwood forests are all part of America’s unique national treasure. What better way to celebrate each of them than by bringing them together in one ...

Thousands are expected to line the railroad tracks as Union Pacific’s legendary Big Boy steam locomotive rolls into Altoona. Still, before the historic engine arrived, WTAJ was given an exclusive look ...

Big Boy No. 4014 steamed through Hershey, Pennsylvania, where the famous locomotive received a whistle welcome in the heart ...

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Union Pacific's Big Boy No. 4014, the world's largest steam locomotive, will make a whistle stop at Lebanon Station on ...

Riddle me this: what has 24 wheels, weighs more than three Jumbo Jets, and can pull five miles (eight kilometers) of cargo at seventy miles per hour full steam? That last clue should easily give it ...

Tracks Ahead is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...