Big Boy 4014, the world’s largest operating steam locomotive, will make two whistle-stops in Greeley, Colo., this summer as ...

Union Pacific is rolling out the big guns — literally — as Big Boy No. 4014 returns to Colorado for its 2025 summer tour.

The newly unveiled Abraham Lincoln commemorative locomotive No. 1616 and Big Boy No. 4014 will meet up twice this summer in ...

Explore the fascinating mechanics behind a steam locomotive, a marvel of engineering that revolutionized transportation. This video unpacks how heat from burning oil in the tender turns water into ...

What truly went wrong with the ambitious duplex steam engines that promised to revolutionize rail travel? Discover the hidden challenges that plagued these engineering marvels, from unexpected ...

In Missoula, Montana, a quiet relic of the steam era still stands tall. The Northern Pacific 1356, a 10-wheel steam engine ...