Mighty Trains takes viewers on a backpackers dream. Jump aboard the colourful trains of the State Railway of Thailand where we'll travel over historic bridges, snake alongside the ocean and continue past swamps, canyons and mountains. It's an incredible rail journey that burrows through ancient areas, through historic tunnels, and over raging rivers and beautiful but deadly landscapes that make up this incredible railway.

Mighty Trains hops aboard South Africa's most luxurious train for a breathtaking journey from Pretoria to Cape Town across historic routes and past impressive scenery. We travel aboard classic carriages that are pulled by a series of steam, diesel and electric locomotives making Rovos Rail a bucket list trip for passengers from around the world.

Mighty Trains takes you to Switzerland – home of the Bernina Express. It's one of the most beautiful train journeys on earth – especially in the winter. Traveling along the highest railway line in Europe, this passenger train navigates 55 tunnels, nearly 200 viaducts and bridges. The engineering feats along the line are so spectacular it's the first of three railway lines on the planet to make the UNESCO World Heritage list.

Mighty Trains takes viewers to Australia! Hop aboard the Indian Pacific –a bucket list train journey – for an epic adventure across southern Australia. Along the way, passengers will be transported through the harsh Australian desert, the rolling countryside, beneath lush mountain ranges and everything in between over a four day, 4,352 kilometer transcontinental journey.

Mighty Trains rolls through Norway along the Bergen Line – described as one of the most amazing railway journeys in Europe. The Bergensbanen stretches nearly 500km from Oslo to Bergen, passing through an astonishing 182 tunnels, and some of the most scenic vistas in the world. Along the way, we take a side trip on the Flam Railway, which boasts one of the steepest railway climbs on Earth. Once we arrive in Bergen, we travel north for a ride on the famous Nordland Line, which stretches from Trondheim to Bodø - an Arctic railway that is an important part of Norway's infrastructure, transporting passengers and freight across the North.

Mighty Trains goes behind the scenes with NTV's two Italo trains – the AGV and the EVO – as they expand to cover more of the Italian railway network, connecting passengers from Turin to Venice and Naples to Milan on two of the fastest trains in the world.

The Rocky Mountaineer travels across western Canada and over the Rocky Mountains.

Passengers on Ecuadors Tren Crucero experience a dangerous rail journey.

Passengers are treated like royalty on Indian Railways Maharajas Express.

On Europes high-speed rail network, between Barcelona and Madrid, crews work to expand the infrastructure for a new train.

Two magnificent journeys with New Zealands KiwiRail: the TranzAlpine, a five-hour journey across 223 kilometers, and Northern Explorer, an 11-hour trip through five unique regions of the North Island.

Hector Rails powerful trains haul timber for paper products giant SCA to their $1.2-billion pulp mill in Ostrand, Sweden; this challenging route takes trains along some of the most difficult railways in the country.

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.

Japans Tokaido Shinkansen, known as the bullet train, operates on a dedicated railway line at up to 285 km/h.

The iconic Canadian travels between Vancouver and Toronto; passengers travel in vintage streamliner cars built in the 1950s.

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.

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.

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.