BBC Four HD Thursday

Michael Portillo continues his exploration of southeast Australia in Melbourne, Victoria, where he visits a home in the suburbs of Lilydale that once belonged to Dame Nellie Melba

On the last leg of his epic journey across the north of England, narrowboater Robbie Cumming tackles the fast-flowing River Ouse while heading to Ripon

A look at the lost world of coal mining and the social and cultural lives of those who worked in what was once Britain's most important industry

English Classical scholar Mary Beard explores the myths and revolutions of the Roman Empire and gives her own personal take on the world-defining period