Nick Groff, a paranormal investigator who’s “on a mission to discover something new in the paranormal field”, and paranormal researcher Katrina Weidman who will both spend 72 hours together locked down in the most haunted locations. They will be staying with the dead at these reportedly haunted places, many of which have never been filmed for a production. And some, they 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”.

They are some of the world’s all-time greatest building projects. Most have stood the test of time, but with today’s technology, could they be duplicated and done better?

America’s greatest unsolved mysteries are explored through interviews, archival footage and re-creations. Recently unearthed evidence and intriguing, new theories bring each case closer than ever to finally being solved.

Join an incredible journey through the history, chemistry and societal impacts of the world’s most extraordinary drugs.

The journeys of some of the most well-known names in the world of crime, and a look at how they began as unknown thugs and transformed into globally notorious kings of crime.

Unique views and the stories behind them are highlighted at some of the most gorgeous and epic locations around the world. From unusual vantage points to once-in-a-lifetime panoramic views, each spot offers an immersive, thrilling experience.

Explore compelling cases that have gone cold for years, chronicling the journeys of the detectives who reopened them. The detectives relive the events of the crimes, reveal new twists and startling revelations, relying on breakthroughs in forensic technology and the influence of social media to help crack these cases.

Series showing how new camera technology is revealing the inner workings of the Earth’s most spectacular natural wonders.

The breathtaking landscapes and spectacular wildlife of some of Britain’s most iconic National Parks, seen through the eyes of people who know them best

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

Four professional bakers leave their modern businesses behind to bake their way through the Victorian era. They set up shop in 1837, when their trade was vital to the survival of the nation.

An inside look at the changing role of athletes in our fraught cultural and political environment, through the lens of the NBA.