22K views · 351 reactions | The Central Pacific and the Union Pacific Railroad companies raced to complete the Transcontinental Railroad for over seven years. See the true story unfold in the premiere episode of The Engineering That Built The World, TONIGHT at 9/8c. #EngineeringThatBuilt | HISTORY | Facebook

Witness a piece of history as Union Pacific's Big Boy #UP4014 chugs across the Heartland of America starting August 28! View the full schedule at https://www.up.com/heritage/steam/schedule/index.htm and follow #BigBoyHeartland throughout the tour! | Union Pacific Railroad

776K views · 8.8K reactions | Worlds largest steam locomotive!! Big Boy 4014 Union Pacific RR | Chopperguy | Facebook

Union Pacific’s legendary Big Boy #up4014 – the world’s largest operating steam locomotive – is set to embark on its first ever coast-to-coast tour in 2026! As this icon connects the nation, we are working to build the future: America’s first transcontinental railroad. 🎥Take a behind-the-scenes look at history in motion and stay tuned for the schedule details! | Union Pacific Railroad

Great trackside shots Of Union Pacific Big Boy locomotive 4006 and some onboard and closeup demonstrations of 4007. From the Pentrex show "Union Pacific Big Boy Collection" https://rfd.video/BBCollection | Steam Giants