In the Frozen Tomb of Mongolia

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

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.

Featuring never-before-seen footage, this documentary delivers a startling new look at the Peoples Temple, headed by preacher Jim Jones who, in 1978, led more than 900 members to Guyana, where he orchestrated a mass suicide via tainted punch.

An unprecedented and intimate look at the life, work and enduring legacy of British actress Audrey Hepburn (1929-1993).

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

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.

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

Supersonic charts the meteoric rise of Oasis from the council estates of Manchester to some of the biggest concerts of all time in just three short years. This palpable, raw and moving film shines a light on one of the most genre and generation-defining British bands that has ever existed and features candid new interviews with Noel and Liam Gallagher, their mother, and members of the band and road crew.

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

This documentary brings to life the stories of four people believed by their family and friends to be “DB Cooper,” a man who hijacked a 727 flying out of Seattle and jumped from the plane over the wilds of Washington State with a parachute and $200,000, never to be heard from again.

This documentary examines the 1999 London bombings that targeted Black, Bangladeshi and gay communities, and the race to find the far-right perpetrator. He terrorized a city, seeking to ignite a race war but justice was served by those who wouldn't let his hate win.

A documentary on the making of the three Godfather films, with interviews and recollections from the film makers and cast. This feature also includes the original screen tests of some of the actors for "The Godfather" film, and some candid moments on the set of "The Godfather: Part III."