Impossible EngineeringSeason 6: Extreme RailroadsSeason 6 · 2019 · 6 episodesEpisodes1Beasts of the BayouWhen engineers built railroads across the swamps of New Orleans, they used cutting-edge technology and methods to get it done, and these extreme trains attest to the innovative engineering required to conquer the most challenging water environments.2The Trains That Built AmericaThe 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.3Monster of the AndesWhen engineers built a cutting-edge railroad to navigate the South American Andes, they use cutting-edge tech and engineering to conquer its deadly heights, and this trailblazing train sets new records on one of the most dangerous routes in the world.4Himalaya Mega BridgeExperts use cutting-edge tech and bold engineering to build a record-breaking bridge that spans a deadly chasm in a remote section of the Himalayas. When completed, it will be the world's tallest railway bridge, towering almost 1,200 feet high.5NYC Monster TrainNew York City is building an 11 billion dollar construction project to extend the busy Long Island Railroad, and using brand-new technology, engineers and builders blast bedrock to create a vast tunnel below Grand Central Terminal.6Rise of the HyperloopEngineers at Virgin are building the world's first hyperloop train system, an innovative high-speed technology that uses magnetic levitation to travel over 600 miles per hour and transform transportation as we know it.Season 1Season 2Season 3Season 4Season 5Season 7Season 8Season 9Season 10