Season 6 Episodes6
Cast2

Mike Bratton
Narrator
D
Daniel Dickrell
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Ranked #4 of 6 in Season 6•matches the season avg
The first railroads in the United States were engineering marvels built to conquer America's deadliest places. Using cutting-edge science, engineers and builders changed the nation by connecting the California frontier with the rest of the country.

Mike Bratton
Narrator
Daniel Dickrell
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"The Trains That Built America" is episode 2 of Impossible Engineering season 6. It scored 7.7/10 from 8 votes, ranking #4 of 6 episodes this season (season average 7.7). It aired on May 8, 2019.