Episode 1
The Glacier Express features cutting-edge versions of old technology to pull the train up the steepest slopes on its route across the Swiss Alps.
Episode 2
Japans Tokaido Shinkansen, known as the bullet train, operates on a dedicated railway line at up to 285 km/h.
Episode 3
The iconic Canadian travels between Vancouver and Toronto; passengers travel in vintage streamliner cars built in the 1950s.
Episode 4
The White Pass and Yukon route was built in 1869 to take miners and supplies to the Klondike gold fields, and was the worlds first containerized freight railway.
Episode 5
The highly-specialized North Rail Express container train travels from Narvik in the Norwegian Arctic Circle to Oslo, delivering cargo of fish as quickly as possible.
Episode 6
The Ghan takes passengers on a three-day, two-night journey through Australia, from Adelaide in the south to Darwin in the north; the Pichi Pichi Railway offers passengers a trip on an original steam locomotive train.