History's Secrets

A series of reports chosen by "Dateline" correspondents that answers the question they most often get asked — what their most memorable story is and why.

For more than 25 years, Dateline has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. It explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

Time Team is a British television series which has been aired on British Channel 4 from 1994. Created by television producer Tim Taylor and presented by actor Tony Robinson, each episode featured a team of specialists carrying out an archaeological dig over a period of three days, with Robinson explaining the process in layman's terms. This team of specialists changed throughout the series' run, although has consistently included professional archaeologists such as Mick Aston, Carenza Lewis, Francis Pryor and Phil Harding. The sites excavated over the show's run have ranged in date from the Palaeolithic right through to the Second World War.

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.

Dossiers Criminels

A look at the hunt for California's Zodiac Killer, who murdered at least five people in the San Francisco Bay Area in the late 1960s and early '70s.

Award winning journalist Paula Zahn unravels shocking crimes interviewing those closest to the case including lawyers, the victim's family, detectives and the convicted murderer themselves.

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.

With unprecedented access to the Bengaluru City Police, this gripping series follows major criminal investigations from the moment the crime is reported through to the capture of the suspects. From murder to kidnap to extortion, each film tracks a shocking and compelling case in the heart of India's Silicon Valley. Filmed with senior officers at home and at work, this is a unique window into the lives of Bengaluru's police officers as they attempt to detect the most complex and serious crimes in the city.

The Killer Beside Me exposes the dark underbelly of workplace evil where rivalry, romance, and the abuse of power culminate in a brutal slaying. Each episode in this series retells the shocking events leading to a horrific murder. How well do we really know our co-workers?

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

Suicide, murder... or something else? This docuseries examines chilling truths and theories around the deaths of 11 members of a Delhi family.

Fierce Earth

This baffling true crime story starts with the grisly death of a pizza man who robs a bank with a bomb around his neck - and gets weirder from there.

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.

Swedish investigative journalism series known for the use of concealed cameras and microphones.

A colony of German Christians with a charismatic and manipulative leader establishes itself in Chile and becomes instrumental to the dictatorship.

Digging for the Truth was a History Channel television series. The first three seasons of the show focused on host Josh Bernstein, who journeyed on various explorations of historical icons and mysteries. Bernstein is the president and CEO of BOSS and has a degree in anthropology and psychology from Cornell University. The show airs every Monday night at 9:00 EST on the History Channel. The series premiered in January, 2005 and has since become the highest-rated series in the history of The History Channel, which was surprising given the previous show "Time Titans" from the production crew never made it past the pilot. The third season premiered on January 22, 2007, with a 2-hour special event on the quest for Atlantis. Bernstein announced on February 20, 2007, that he would be leaving The History Channel and Digging for the Truth, and would, as of April, join The Discovery Channel as an executive producer and host of a new prime-time series and specials. Hunter Ellis, host of Tactical to Practical and Man, Moment, Machine for The History Channel, then replaced Josh Bernstein as host.

In the late 1970s, an accused serial rapist claims multiple personalities control his behavior, setting off a legal odyssey that captivates America.

Our planet’s lakes make up a huge freshwater reserve delicately balanced between the water that feeds them and the rivers they feed.