The Mersey is one of Britain's most magnificent rivers, running 70 miles from Stockport to the Irish Sea. This documentary reveals how the waterway has been at the heart of British shipbuilding for more than 180 years, from the first aircraft carrier HMS Ark Royal to the latest, HMS Prince of Wales. It has also been important for business, with 40 percent of all world trade coming through Liverpool's docks in the 19th century, and played a key role in the Allied victory during the Second World War.

A look at the development of the London railway terminus from its opening in 1852 to the present, as it has been transformed it into one of the best connected places in Britain. In Victorian Britain, King's Cross became a thriving industrial hub, bringing in goods to feed and power London, while 20 industrial buildings that once its beating heart have been given a new lease of life and is now a tech hub that is home to Google, Facebook and Youtube.