155K views · 3.9K reactions | 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 | Facebook

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

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

Union Pacific “Big Boy” 4014 is the largest operating steam locomotive in the world and one of the biggest ever built. The locomotive is seen here in July of 2024 on a publicity tour for the Union Pacific Railroad. Union Pacific Railroad #trains #steamtrain #bigboy #bigboy4014 #trainspotting #unionpacific | Coasterfan2105

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