In Humboldt County, California, the big business of legal marijuana brings in visitors from around the world. Some are never seen again.

Observing programs for troubled teens in which inmates reveal the realities of prison life in the hope of deterring them from a life of crime.

Examine the true stories of engagements, weddings, and picture-perfect honeymoons that went from joyous celebration to untimely death. Each episode exposes a grisly homicide set against the backdrop of what appears to be wedded bliss.

Celine and Fabien Cousteau use cutting-edge tech to hunt for a long-lost shipwreck in the Bermuda Triangle, and if their top-secret clues are right, they might uncover new evidence that explains the disappearances in this deadly and mysterious place.

Behind every seemingly impossible marvel of modern engineering is a cast of historic trailblazers who designed new building techniques, took risks on untested materials and revolutionised their field. Each episode details how giant structures, record-beating buildings, war ships and spacecraft are built and work. As the show revels in these modern day creations, it also leaps back in time to recount the stories of the exceptional engineers whose technological advances made it all possible.

Follow Freddie Flintoff and cyclist Rob Penn as they embark on a Summer adventure around England and Ireland in an eco-friendly chip van.

Join the legendary ‘How It’s Made’ crew as they immerse themselves in automobile heaven, and discover how incredible machines are designed and created. From a Maserati to the Audi R8, from a Morgan Aero Coupe to a Porsche 911, the team travel around the world to visit the birthplaces of a host of dream cars. Each half hour episode will reveal the car’s inner workings and gorgeous exteriors, which is enhanced with unprecedented access to the factories and test labs that are integral to their conception and creation.

The fascinating cases of every day, seemingly average moms, wives and girlfriends accused of murder. Did they really do it? And if so, why?

America is often haunted by its past, which explains why ghost stories have always been an integral part of this nation’s oral history. Viewers will visit some of the darkest, scariest corners of the country—from the battlefields of Gettysburg to the exact spot of the Salem Witch Trials. Each episode will flash back to horrific events that transpired at these locations, while speaking with local historians and authorities on present day paranormal activity. Find out for sure if these tales are truly fact, fiction or something else entirely.

Reenactments of alien encounters.

The real-life adventures of a high-altitude helicopter rescue team patrolling Mount Everest are followed in this series, which begins with life and limb being risked to extract two separate injured climbers, both from 21,000 feet. Also: The ARS team provide emergency medical relief to a local boy suffering from a potentially fatal condition.

The medieval period gave us some of the greatest, most enduring stories in history. Some are of them were real – some are altered into pure Legend. These legends usually had somebody doing villainous deeds. The even greater thing is that most of these were surrounded in mystery or conspiracy. Medieval Murder Mysteries uses modern thinking from historical police criminology combined with forensics and human osteologists blended with current historical ideas to try and solve what really happened all those years ago. Magnificent castles, chivalrous knights, powerful kings and queens? You’ll have them. Also require dark deeds, illicit lovers, greedy nobles, mad cardinals? Look no further. They’re all here.