According to legend, stolen loot worth billions of dollars was buried in South East Asia during World War II. In the present day, a team of experts embarks on a quest to find the fabled treasure.

Herman Mudgett, whose alias was H.H. Holmes, is believed to have been the first serial killer in America, potentially responsible for as many as 200 murders in the late 19th century. Around the same time, Jack the Ripper famously killed at least five people on the streets of London. In this series, Jeff Mudgett -- Holmes' great-great-grandson -- tries to prove a controversial theory that Holmes and Jack the Ripper were the same person.

Although it's not as famous as the Bermuda Triangle, the Alaska Triangle has more unsolved missing-person cases than any other location on Earth -- more than 20,000 people have vanished in the area in the last 50 years.

Flamboyant antiques expert David Dickinson hosts the show to see which member of the public can make the most money for their antiques

UFOs Declassified brings some of the most unbelievable UFO encounters to the screen. Some are well known, like the crash and capture of a flying disc by the US Army Air Force at Roswell in 1947. Other incidents are less well known, but equally mysterious, and span the globe from the US, Canada, Brazil to Great Britain and even Tehran. 

Las Vegas legend Danny 'The Count' Koker acquires, restores and customises classic cars and motorcycles - and then 'flips' them for a profit.

American Restoration follows the best restoration shops in the United States as they restore pieces of America's history and create awe-inspiring works from vintage items including classic cars, rare antiques and one-of-a-kind bikes.

Did the crafty outlaw of Nottingham really exist? Or is the legend of Robin Hood and his band of Merry Men simply a myth? Experts separate fact from folklore in this special documentary.