Planeta záhad

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.

Reenactments of alien encounters.

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

A recently unearthed repository of materials formerly classified by the secret government....The Phenomenon Archives. This series covers the taboo subjects which have had light shed on them by pouring over the materials in this repository.

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.

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.

Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. He examines each artifact to illuminate history's most incredible triumphs, sensational crimes and bizarre encounters.

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.