A new investigation driven by declassified CIA documents suggests a secret history of bitter rivalries, government conspiracies, Cold War, WWII spycraft, and amazing achievements of Nikola Tesla, a truly gifted man.

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

A recently unearthed repository of materials formerly classified by the secret government....The Phe...

Mysterious events, compelling figures and great unanswered questions from the past are explored, wit...

Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. ...

Real cases of perplexing disappearances, shocking murders and paranormal encounters fuel this grippi...

American serial killer H.H. Holmes has a dark legacy. Now, through his grandson's research, it may b...

Over the past four and a half decades, the so-called D.B. Cooper skyjacking case has captivated coun...

Historian Justin Jampol unlocks the secrets of the past through recently unearthed artifacts. Using ...

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

These are some of the most spectacular examples of abandoned engineering the world has ever known. T...

A true crime series investigating Hollywood's most intriguing criminals, murders and cases of corrup...

Part detective story, part true-life drama, long-running series explores some of the most iconic mom...

Antikrundan is the Swedish version of the original BBC format Antiques Roadshow. The show visits dif...

North America's outdoor country represents an expanse of virtually unexplored wilderness, making it ...

Inspired by the iconic 1970s’ franchise, this series examines unexplained phenomena from all over th...

Our planet’s lakes make up a huge freshwater reserve delicately balanced between the water that feed...

Tori Herridge and a team of scientists piece together life stories behind unearthed bones

Don’t be scared of the rickety rollercoaster or the haunted house. It’s not the rides that will kill...