Filmmaker Werner Herzog has conversations with two death row inmates about the crime they committed and why they did it. The crime documentary serves as an examination of why people - and the state - kill.

China`s Lost Pyramids sets out to investigate the mysterious pyramids created in ancient China. Explore the tombs with a group of archaeologists as we'll locate the remains of the most powerful people who ever lived in ancient China.

Maria's Way is a short documentary about a Spanish woman named Maria who greets pilgrims in front of her house, as they travel the long and ancient pilgrim trip of Camino de Santiago.

It's the most extreme race on earth: a contest with millions of competitors, only one winner and numerous obstacles thrown in for good measure. The Great Sperm Race tells the story of human conception as it's never been told before.

Explore how penguins live their life in the Arctic Ocean. This documentary follows a group of penguins for over a year to investigate their natural behavior.

The Lobotomist is a biographical-styled documentary film which follows the story of Walter J. Freeman, a neurologist who fathered the lobotomy - a surgical procedure which usually ended in tragedy.

Anthropologist José Carlos Meirelles and his team encounter a tribe of uncontacted people in the jungles of South America known as the Txapanawa.

American Juggalo takes a closer look at the Juggalo subculture in America by visiting The Gathering of the Juggalos, a festival of 20,000 Juggalos.

What happened after Hitler and the nazis were removed from power? After Hitler takes on the monumental history after World War Two finished, showing how violence continued and the devastation the war had brought.

BBC brings the Wild West timeline back to life in a three-part documentary series, viewing its history through new research and technology.

Harlan County USA is a documentary film which shows the life and struggles of a group of coal miners, as they resort to a strike against the Brookside Mine of the Eastover Mining Company in Harlan County, Kentucky in June, 1973.

Banana Land: Blood, Bullets and Poison is a documentary film investigating the dark history of banana agribusiness.

Join in, as famed BBC presenter and professor Jim Al-Khalili unlocks the history of energy manipulation and information technology - the two most important concepts of the human modern age.

Welcome Nowhere is a documentary film which travels to Bulgaria, in an effort to shine light on the Roma People - a society more commonly known as Gypsies.

Is there a 9th planet in our solar system? This documentary takes a look at the Mystery of Planet 9 and also investigates the newer discoveries surrounding the elusive planet.