

He was one of the most notorious Nazi war criminals, infamous for his deadly experiments on twins. But at the end of WWII, he simply disappeared. Despite a global manhunt by Mossad and the allies, he would die a free man, 34 years later, in Brazil. Who was Dr Mengele? What did he do after the war? And why was he never caught? We speak to those who knew him and profile the 'angel of death'.

Oskar Gröning, known as the "Accountant of Auschwitz," was charged with the murder of 300,000 Jews. When he took the stand in 2015, at the age of 94, his trial made headlines worldwide.

Filmmaker Alain Resnais documents the atrocities behind the walls of Hitler's concentration camps.

Director Claude Lanzmann spent 11 years on this sprawling documentary about the Holocaust, conducting his own interviews and refusing to use a single frame of archival footage. Dividing Holocaust witnesses into three categories – survivors, bystanders, and perpetrators – Lanzmann presents testimonies from survivors of the Chelmno concentration camp, an Auschwitz escapee, and witnesses of the Warsaw Ghetto Uprising, as well as a chilling report of gas chambers from an SS officer at Treblinka.

For the 20th anniversary of "Titanic," James Cameron reopens the file on the disaster.

The history of cinematic sound, told by legendary sound designers and visionary filmmakers.

Jazz and decolonization are intertwined in a powerful narrative that recounts one of the tensest episodes of the Cold War.

A look at the story behind Marvel Studios and the Marvel Cinematic Universe, featuring interviews and behind-the-scenes footage from all of the Marvel films, the Marvel One-Shots and "Marvel's Agents of S.H.I.E.L.D."!

In the last five years of his life, David Bowie ended nearly a decade of silence to engage in an extraordinary burst of activity, producing two groundbreaking albums and a musical. David Bowie: The Last Five Years explores this unexpected end to a remarkable career. Made with remarkable access, Francis Whately’s documentary is a revelatory follow-up to his acclaimed 2013 documentary David Bowie: Five Years, which chronicled Bowie’s golden ‘70s and early-‘80s period.

Ndola, Northern Rhodesia (currently Zambia), September 18, 1961. Swedish economist and diplomat Dag Hammarskjöld, Secretary General of the UN, dies mysteriously in a plane crash. Decades later, Danish journalist and filmmaker Mads Brügger and Swedish researcher Göran Björkdahl investigate the case in search of definitive closure.

A documentary examining possible historical and modern conspiracies surrounding Christianity, the 9/11 terrorist attacks, and the Federal Reserve bank.

Fourteen years after his first visit, Louis Theroux meets some of the growing community of religious-nationalist Israelis who have settled in the occupied West Bank.

A documentary highlighting the Soviet Union's legendary and enigmatic hockey training culture and world-dominating team through the eyes of the team's Captain Slava Fetisov, following his shift from hockey star and celebrated national hero to political enemy.

An account of the extraordinary life of film pioneer Georges Méliès (1861-1938) and the amazing story of the copy in color of his masterpiece A Trip to the Moon (1902), unexpectedly found in Spain and restored thanks to the heroic efforts of a group of true cinema lovers.

This documentary delves into the mysteries surrounding the Neanderthals and what their fossil record tells us about their lives and disappearance.

Dick Proenneke retired at age 50 in 1967 and decided to build his own cabin in the wilderness at the base of the Aleutian Peninsula, in what is now Lake Clark National Park. Using color footage he shot himself, Proenneke traces how he came to this remote area, selected a homestead site and built his log cabin completely by himself. The documentary covers his first year in-country, showing his day-to-day activities and the passing of the seasons as he sought to scratch out a living alone in the wilderness.

An ambitious and wide-ranging documentary exploring Andre’s upbringing in France, his celebrated career in WWE, and his forays in the entertainment world.

The inside story of SpaceX's plan to get humanity to Mars, providing an unprecedented glimpse into one of the world's most revolutionary companies. A behind-the-scenes journey with Elon Musk and his engineers as they persevere amidst both disheartening setbacks and huge triumphs to advance the space industry faster than we ever thought possible.

Canadian acting legend William Shatner takes viewers inside the creation of Star Trek: The Next Generation, the bold attempt in 1986 to recreate the success of the original television series, in which Shatner played Captain James T. Kirk.

Explore how one man's relentless drive and invention of the atomic bomb changed the nature of war forever, led to the deaths of hundreds of thousands of people and unleashed mass hysteria.

National Geographic's riveting effort recounts all 12 crewed missions using only archival footage, photos and audio.