TV Guide BBC Four

Documentary profiling some of the world's most expansive - and inhospitable - landscapes, and the people who live there. A fisherman in Zambia faces off against crocodiles and risks being swept to his death as he tries to make a living above the imposing Victoria Falls, and in the Amazon, a giant fish offers salvation to a hungry family that calls the river home. A boy's future hangs on the outcome of a single horse race in the vast grasslands of the Steppe, and in a European salt marsh, a young man duels with a savage bull in a centuries-old battle of wills

Cameras follow a secret overnight attempt to set a 100 mph ecord for the newly-built steam locomotive Tornado, between Newcastle and York on the East Coast Main Line

Cameras follow one of the world's most famous locomotives as it returns to the tracks following a 10-year restoration that cost more than £4 million. Enthusiasts and supporters are aboard as the train sets off from London's King's Cross Station on a journey to York and its new home at the National Railway Museum. John Shrapnel narrates

A guide to life on the footplate of the nation's favourite steam engine. Cameras are placed aboad locomotive 60103 as it travels along the Severn Valley, cutting through stunning landscapes on a journey from Bridgnorth to Kidderminster. The 'cab cameras' capture veteran driver Roger Norfolk and fireman Ryan Green in action as they talk through the mechanics and challenges of operating this national treasure. Needless to say, things sometimes get hot on the footplate and not everything goes exactly to plan

Documentary exploring the changing fortunes of a family of architects, following the rise and fall of George Gilbert Scott, his son George Junior, and grandson Giles. Presenter Dan Cruickshank finds out how the dynasty was responsible for the creation of iconic landmarks such as the Midland Hotel at St Pancras station, and helped shape the Victorian age with their designs