Union Pacific celebrated the 150th anniversary of the completion of the transcontinental railroad with thousands of rail fans and history buffs in Ogden, Utah on May 9, 2019. In a recreation of the famous 1869 image from Promontory, steam locomotives #UP844 and Big Boy #UP4014 met as a ceremonial golden spike was tapped. | Union Pacific Railroad

22K views · 354 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

153K 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

138K views · 10K reactions | One, live, fully operational Big Boy, courtesy of Union Pacific Railroad #bigboy4014 | Trains Magazine | Facebook