Phenomenon: The Lost Archives

Nick Groff, a paranormal investigator who's "on a mission to discover something new in the paranormal field", and his paranormal researcher Katrina Weidman spend 72 hours together locked down in the most haunted locations in their quest to learn more about the unknown. They stay with the dead at these reportedly haunted places, many of which have never been filmed for a production and some will be investigated for the first time on television. Groff and Weidman believe, that "the longer they stay, the more the spirits will communicate with them and the more information they can gather about the unknown".

Antiques Roadshow is a British television show in which antiques appraisers travel to various regions of the United Kingdom to appraise antiques brought in by local people. It has been running since 1979. There are also international versions of the programme.

Eerie encounters, bizarre disappearances, haunting events and more perplexing phenomena are explored in this chilling investigative docuseries.

Where's Anne Rice when you really need her? Self-described medium Derek Acorah travels to Egypt where he communes with the spirits of King Tut and other long-departed personalities, aided by Sam, his Ethiopian spirit guide.

A chilling series in which survivors of a paranormal experience relive their harrowing encounter.

Historian Justin Jampol unlocks the secrets of the past through recently unearthed artifacts. Using scientific testing and detective work, his investigations reveal new details about the most significant moments in history.

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 of FBI investigators - hoping to finally crack the nation's only unsolved act of air piracy. Now a California man, who has assembled a team of investigators, thinks he may have finally solved case, which will be detailed in the two-part History Channel special D.B. Cooper: Case Closed? that airs on Sunday and Monday.

Diabo no Corpo

Experts review prophecies about the Mayan calender and the significance of December 21, 2012.

Secret societies play a far larger role in our everyday lives than we are aware of. Historian Dr Marian Füssel searches for clues surrounding history’s most famous secret societies and conspiracy theories.

Mysterious events, compelling figures and great unanswered questions from the past are explored, with a focus on the reclusive billionaire Howard Hughes; the CIA's top-secret experiments; the Unabomber and; little known stories from NASA's Apollo missions.

Destination Truth is a weekly American paranormal reality television series that premiered on June 6, 2007, on Syfy. Produced by Mandt Bros. Productions and Ping Pong Productions, the program follows paranormal researcher Josh Gates around the world to investigate claims of the supernatural, mainly in the field of cryptozoology.

American serial killer H.H. Holmes has a dark legacy. Now, through his grandson's research, it may be that Holmes and Jack the Ripper are one in the same.

Real cases of perplexing disappearances, shocking murders and paranormal encounters fuel this gripping revival of the iconic documentary series.

Mysterious Journeys is a paranormal television series that aired on the Travel Channel. Similar to Weird Travels, In Search Of..., and Is It Real?, the show explores a variety of topics often considered pseudoscientific or paranormal, covering everything from ghosts, monsters, and UFOs to strange disappearances and historical locations. The show is usually presented through interviews, reenactments and scene footage, with narration by Dellums. The show premiered on March 20, 2002 and ran a limited 4 episode season, halting production until 2007 when an additional 10 episodes aired. The show has since halted production and it is unknown if any further episodes will air, as there is little to no information available on the Travel Channel's website.

North America's outdoor country represents an expanse of virtually unexplored wilderness, making it a hotbed for mysteries and the unexplained. There have been hundreds of true tales reported by people every year. Now through eyewitness accounts and key facts, the hidden stories of these beautiful locales are revealed.

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, consider the financial and social costs of their failure and examine the environmental and ecological impacts. The series also explores how experts came up with plans to make something beautiful or useful from the ruins.

In this genre-bending tale, Errol Morris explores the mysterious death of a U.S. scientist entangled in a secret Cold War program known as MK-Ultra.

Les portes du futur

A true crime series investigating Hollywood's most intriguing criminals, murders and cases of corruption, exploring infamous headlines that captured the nation's attention using archival footage, new interviews and stylized depictions of past events.