In October 1860, railroad engineer Theodore Judah looked out across California’s Sierra Nevada range, dreaming of a railroad that would connect the United States from coast to coast. It was the start of a decade-long endeavor to build the world’s first transcontinental railroad.Two competing railroad companies would eventually begin construction, but laying nearly 2,000 miles of iron track across America’s expanse would require vast sums of money – and unimaginable feats of engineering.Order your copy of the new American History Tellers book, The Hidden History of the White House, for behind-the-scenes stories of some of the most dramatic events in American history—set right inside the house where it happened.Listen to American History Tellers on the Wondery App or wherever you get your podcasts. Experience all episodes ad-free and be the first to binge the newest season. Unlock exclusive early access by joining Wondery+ in the Wondery App, Apple Podcasts or Spotify. Start your free trial today by visiting wondery.com/links/american-history-tellers/ now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.