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

With an extra "4" due to a GP30 claiming her original number, the famous, never retired Union Pacific locomotive is seen on an excursion in September, 1966, first at Speer, Colorado and then at Cheyenne. From the GSVP show "Union Pacific 844 The Early Years" https://rfd.video/Early844 | Steam Giants

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