Ancient Maya Metropolis

Scientists examine underground clues from over 250,000 years ago that raise questions about our early relatives — and what it truly means to be human.

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

In an intimate and joyful story of love in the face of loss, celebrated poets Andrea Gibson and Megan Falley find strength—and unexpected hilarity—in what might be their final year together.

A look at the origins, history and conspiracies behind the "Majestic 12", a clandestine group of military and corporate figureheads charged with reverse-engineering extraterrestrial technology.

Documentary on psychedelic potash mines, expansive concrete seawalls, mammoth industrial machines, and other examples of humanity’s massive, destructive reengineering of the planet.

Exploring the company founding and the implosion of the business by outside investors who took over the company, left it bankrupt and under investigation.

Through deeply personal interviews with her siblings and an examination of the photographs, letters, and belongings left behind, Mariska assembles a new portrait of her mother Jayne Mansfield, an extraordinary and complex woman.

Ranjit, a farmer in India, takes on the fight of his life when he demands justice for his 13-year-old daughter, the victim of a brutal gang rape. His decision to support his daughter is virtually unheard of, and his journey unprecedented.

Egyptian archaeologists dig into history, discovering tombs and artifacts over 4,000 years old as they search for a buried pyramid in this documentary.

Over 35 years after Bob Lazar's revelations, this documentary exposes secrets of a facility the government still denies. Featuring Lazar's testimony, recreations, and new evidence, it reopens a case that continues to spark global curiosity

A string of threatening emails escalates into a revenge plot involving a newly married US marshal and his ex-girlfriend.

Investigators reveal how Boeing’s alleged priority of profit over safety could have contributed to two catastrophic crashes within months of each other.