Chris Tarrant: Extreme Railways

Presenter Chris Tarrant takes a series of extreme railway journeys across the world's toughest terrains. Chris travels to the Republic of the Congo for a gruelling but ultimately inspiring journey through the country's heart of darkness.

Chris crosses the Australian Outback on an amazing rail line - the 2,000 mile-long Adelaide to Darwin railway. Building the line proved to be a huge engineering challenge that took over 100 years to complete. In his quest to uncover the extraordinary story of this railway, Chris travels from Adel...

Chris travels down the Konkan rail line, which runs down the west coast of India, connecting the port cities of Mumbai and Mangalore.