U&Yesterday HD Today

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Exploring old tunnels in an abandoned tin mine beneath the moors of Cornwall. Plus, former Atlas missile siloes in Kansas and tunnels hiding under Valetta

Exploring caves beneath Orvieto in Italy, originally built by the Etruscans long before the Roman Empire. Plus, a former limestone mine under Kansas City

A fuel plant in Poland built to make Nazi Germany self-sufficient by using the latest technology of the time to turn coal into oil

The creation of a set of Second World War sea defences built near the mouth of the River Thames to protect London. Plus, a concrete pyramid build during the Cold War

Adolf Hitler has his mind on making Germany into a great empire by expanding eastwards, but his invasion of Poland tips the world into a violent and bloody war

Churchill's plan to attack Germany through Italy. Although considered the simplest military solution, the Allies were to face formidable opposition

Disaster strikes when the Naughty Lass collides with a low bridge on the Bumble Hole Canal Branch damaging a chimney

Updates on the most talked-about finds of the past 12 months, including an item once owned by a Queen and another that delivered the largest sale price of any roadshow item

Derek has sold everything from trucks to bicycles - but he can't remember the last time he auctioned off a two-seater plane

100 motorbikes come in for auction from every era of the 20th century, and the team assess a 1965 Vanden Plas Princess with a four litre Rolls Royce engine that's seen better days

Betrayed, Stalin fights the German army in the Soviet states. The German occupation policies lead to the first extermination policies of 'undesirables'

The longest retreat in British military history, when Allied troops defending Burma in 1942 were confronted by the Japanese

Updates on the most talked-about finds of the past 12 months, including an item once owned by a Queen and another that delivered the largest sale price of any roadshow item

Disaster strikes when the Naughty Lass collides with a low bridge on the Bumble Hole Canal Branch damaging a chimney

The actor explores Mundoo Island, which has provided a way of life for five generations of one farming family, and also investigates Phillip Island

Robbie Cumming navigates the River Severn, and takes an unexpected bath as he tumbles at the Tardebigge lock flight in Worcestershire

On the last leg of his journey across England, Robbie Cumming crosses an epic aqueduct near Stratford-upon-Avon, and gets stuck in a lock in central Birmingham

Derek has sold everything from trucks to bicycles - but he can't remember the last time he auctioned off a two-seater plane

A fuel plant in Poland built to make Nazi Germany self-sufficient by using the latest technology of the time to turn coal into oil

Michael Portillo crosses over from Alaska to Canada, where he visits the home of the Vancouver Giants, tries his hand at ice hockey and visits the Canadian Motion Picture Park

Dr Tracy Borman examines the private life of Edward VIII, from a difficult childhood through the First World War, his love for Wallis Simpson and his abdication of the throne

Dr Tracy Borman examines the life of French statesman and military leader Napoleon Bonaparte, revealing the secrets of his extraordinary success - and calamitous downfall

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With factory access, see how a 21st century electric London Taxi is made in 28 hours