The First World War

When Lori Vallow's kids vanished, the search for them unearthed a trail of suspicious deaths, a new husband who shared her doomsday views — and murder.

David Attenborough uses pioneering 3D-techniques and technology to explore the unique environments and species of the Galapagos.

Take a trip inside the mind of Bill Gates as the billionaire opens up about those who influenced him and the audacious goals he's still pursuing.

This documentary takes a look at some of the most horrible and despicable murders in modern British history. From Jack the Ripper in the 1880s to Agatha Christie's best known stories.

A young British couple's dream trip through remote Central America, turns into a chilling nightmare when they are brutally murdered and the trail for their killer goes cold. Four decades later, failed by law enforcement, their family take up the manhunt and make a shocking discovery.