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Are we finally a step closer to understanding the great unknown and what it may – or may not – hold? Man has always been curious about...

These are some of the most spectacular examples of abandoned engineering the world has ever known. The series explores how and why they were built,...

Antikrundan is the Swedish version of the original BBC format Antiques Roadshow. The show visits different locations in Sweden and lets people bring...

In this gripping docuseries, legendary reporter George Knapp travels the globe to uncover new evidence about UFOs and investigate their presence on...

Dive into the mysteries of some of NASA’s most curious missions and explore stories of engineering achievement and human endurance. Each...

In December of 2017, The New York Times published a stunning front-page exposé about the Pentagon’s mysterious UFO program, the Advanced...

Antiques Roadshow is a British television show in which antiques appraisers travel to various regions of the United Kingdom to appraise antiques...

Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.

Over the past four and a half decades, the so-called D.B. Cooper skyjacking case has captivated countless armchair detectives - not to mention teams...

Though claims of extraterrestrial encounters have long been dismissed, many believe the existence of UFOs is not just likely, but a certainty.

Honoring service members whose courage merited the awarding of a Medal of Honor, this docudrama series re-creates their inspiring true stories.

An extraterrestrial alien arrives on Earth at a turning point in human evolution and must confront his own past to determine our future.

The adventures of a larger-than-life red dog on Bridwell Island.

This immersive series follows the world's most magnificent creatures, capturing never-before-seen moments from the heartwarming to the outrageous.

Real people sit down with friends and family to share terrifying true stories from their past, re-created through chilling re-enactments.

Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.

Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

Framed for murder and on the run, a former thief struggles to expose the vanguard of an alien invasion with the help of a conspiracy theorist and...

In Search of... is a TV series that was broadcast weekly from 1977 to 1982, devoted to mysterious phenomena. It was created after the success of...

Ghost Hunters International was a spin-off series of Ghost Hunters that aired on Syfy. The series premiered on January 9, 2008. Like its parent...

A series of standalone documentaries powered by the unparalleled journalism and insight of The New York Times, bringing viewers close to the...