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Structures of steel and iron eerily stand unfinished after they were abandoned midway in construction, covered in weeds, moss and rust, the show explores what they could have been.

Presented by journalist and true crime author Geoffrey Wansell (and later by crime historian Dr Nell Darby), Murder by the Sea examines strange murders recorded at famous seaside resorts in the United Kingdom.

British documentary series exploring incredible feats of human endeavour underground, revealing what people have built, where they have built it, how and why.

This 10-part documentary series follows the works of Customs and Border Protection Officers on the 28 international bridges that connect the United States and Mexico.

Royal Murder Mysteries is a hard-hitting upcoming series investigates all of these extraordinary stories, sifting through the evidence, the facts as it seeks to reach final conclusions and numerous theories surrounding royal deaths.

A documentary series on combat ships through the ages, from the 16th century to the present day.

Former police officer turned television presenter Rav Wilding narrates this true crime documentary series focusing on the police investigation into murder cases.

Historian Dan Jones tells the story of Roman Britain though six walks along the roads they built - from the point of their invasion to the farthest edge of their empire.

77-year-old John Wildey was a passenger in a Cessna light aircraft when his friend, the pilot, died at the controls. John was stranded 1,500ft up, in fading light, in a plane he didn't know how to fly.

Documentary series telling the stories behind some of the most dramatic and extraordinary calls made to the emergency services around the world.

The KKK, The Priory of Sion, The Order Of Assassins - the names might be familiar but - Who were they? What were they? What were their beliefs and aims? This six episode series explores some of the most secretive and dangerous global underworld societies from history. It's a murky, mysterious mixture of sectarian cults, fanatical religious groups, esoteric societies and political militants - all of them seeking to shape and influence the world we know today.

Ryan Pyle is back on his motorcycle. After successful adventure motorcycle journeys through China and India, Ryan is keen to set out and explore the complexities and diversity of Brazil.

Documentary series following the work of dedicated engineers, enthusiasts and aviators striving to restore vintage aeroplanes.

Documentary following an investigation to solve the 'Jack the Stripper' murders, the biggest unsolved serial murder case in British criminal history.

Frankie Boyle explores and documents where Scotland's really at in 2019.

Delve into the paranormal universe and discover ghosts and horror stories from 10 terrifying locations around the globe.

Chronicling the extraordinary effort of visionary designers and engineers to build bespoke super cars, overcoming challenges to create automotive fantasies.

Follow work of men and women who protect Ireland's borders on a daily basis. From dealing with people who travel.

Join adventurer and renowned photographer, Ryan Pyle, as he spends months exploring and photographing some of the best Extreme Trekking locations in the world. His human-powered adventures are always inspiring as he proves that anyone can get out and explore the great unknown. Extreme Treks is a modern television 4K Adventure Travel Series that is part adventure, part exploration and part education. The best way to understand and respect the world around us is to put yourself right in the path of Mother Nature herself. Leave your laptop at home, unplug from your life and get out and explore the world with Ryan Pyle.

For 54 days these two adventurers will tackle Indian roads by motorcycle, statistically the most dangerous in the world, looking for a deeper understanding of what makes India tick.

An original non-scripted series developed by 412 Entertainment . Couples embarking on dramatic makeovers just before they walk down the Isle.

Featuring some of the most incredible vehicles on the planet, from an underwater convertible, to the world's most expensive SUV, to a Ferrari Dino that was found buried in an LA garden.

We all know Neil Armstrong, John Glenn, Sally Ride, and other icons of America's space program. But behind the scenes, engineers have been the secret heroes, building the spacecraft and instruments that have helped man leave Earth and explore the stars. We reveal the inside stories of how these brilliant minds created such superior machines as the Saturn V moon rocket, the Space Shuttle, and the Hubble Space Telescope, often against incredible odds.