Film about the creation of the first Transcontinental railroad. Men repair the damage the Indians caused. Man climbs up pole and attaches a light. Map of United States, zoomed in on Omaha. Zooms out to reveal line between Sacramento and Omaha completed. Still images of crowds celebrating the completion of the tracks. Photos of construction camps. Photos of cities indicating that the construction camps turned into cities. Newspaper articles highlight impact of railroad on land sales. Advertisements for railroad industry. Still photos of various people. POV from on top of train moving slowly.