Huge crowds of train fans turn out as the 1940s era Big Boy steam locomotive is making a rare trip cross country.

Something big is coming to Western Pennsylvania. The world’s largest operating steam engine, Union Pacific Big Boy 4014, is ...

The historic Pere Marquette 1225 steam locomotive highlights the weekend's festivities.

Big Boy, the world's largest operating steam locomotive in the world, will pass through several municipalities while making its way through Westmoreland County.

The 1.2-million-pound Union Pacific Big Boy No. 4014 will stop across the East Coast and Midwest this summer to celebrate the U.S. semiquincentennial.

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 ...

Remember that train engine that used to sit in Centennial Park? It’s on its way back to the rails. The restoration process for steam engine 576 (proper name Nashville, Chattanooga and St. Louis 576) ...