Experts investigate evidence suggesting that one of the world's most elusive figures, the Yeti, lives in America and may have an otherworldly source.

Phil Torres and Jessica Chobot embark on a mission to find out what's happening on the Island of the Dolls - a dangerous place that locals have long avoided.

Jessica Chobot and Phil Torres dive into the legend of Mothman by searching for clues in a long-sealed bunker and a top-secret Air Force base.

Paul treks deep into the woods of the Midwest in search of Bigfoot. He cuts through hoaxes and misinformation to uncover ground-breaking evidence.

Paul investigates a surge in demonic activity in America that is overwhelming the Catholic Church. He follows leads from Gary, Indiana, to Mineral Wells, Texas.

In Cremona, how do they make modern violins that sound as good as the legendary Stradivarius? And, how do they build houses with volcanic rock?

How does a Dutch company make the world's fastest superyachts? And, how do they make new space suits that weigh and cost the fifth of the previous design?

How do planes take off and land on a beach at one of the world's oldest airports? And, how do they hand-make the national dress of Bavaria, lederhosen?

How do they catch the world's largest lobsters? How do they build the iconic chesterfield sofa? And, how do they capture the world's sharpest TV pictures?

How do they take a car from Siberia to the Sahara without leaving Germany? Plus, how do they hand craft a baseball glove that will last a lifetime?

Confidential CIA files reveal a secret war for space between America and the Soviets. And, experts investigate American espionage during the Apollo programme.

Experts investigate the Lunar Landing Research Vehicle that nearly killed Neil Armstrong during training. Some believe this proves why the moon landing is fake.

When Pompeii was destroyed by an apocalyptic volcano, another town was destroyed, too - Herculaneum. It is one of history's most perfectly preserved towns.

The Roman Empire built Hadrian's Wall to guard its frontiers: new discoveries reveal who the Romans were trying to keep out with this 72-mile-long megastructure.

More everyday items go under the microscope. How are objects including bamboo ceramic lights and asphalt compactors made?

More everyday items go under the microscope. How are objects including asphalt pavers, and Basque espadrilles made?

More everyday items go under the microscope. What are the production processes behind common objects including wood panel canvases and shoelaces?

More everyday items go under the microscope. What are the production processes behind common objects including Asian bowl meals and walking canes?

More everyday items go under the microscope. How are common objects including power trainers and coffee pods made?

More everyday items go under the microscope. What are the production processes behind common objects such as beehives and cast iron cookers?

How do they produce 99% of America's raisins in California's San Joaquin Valley? Plus, how do they make the world's oldest type of paper?

How do they use ancient techniques and modern technology to produce thousands of tonnes of barbecue charcoal? How do they cook up Japan's soba noodles?

How do they grow America's only freshwater pearls in Tennessee? Plus, what secrets are behind how the world's sharpest knives are made?

How do they turn root vegetables into sweet sugar? How do they make feather dusters? And, how do they make billions of balloons to keep parties popping?

How do they turn trees into pencils? How do they make liquorice? And, how do they use traditional techniques to weave the world's most fashionable lace?

How does one family in America make three quarters of the world's peppermint oil? Plus, how are performance-enhancing tennis racquets made?

Adam and a demolition expert stage a series of daring experiments on one of the world's most dangerous and explosive substances: Nitroglycerin.

Adam teams up with actor Gary Oldman to build one of Hollywood's deadliest weapons: the ZF1 multi-artillery gun from sci-fi film, The Fifth Element.

Black holes aren't simply violent monsters. New discoveries reveal their importance in creating stars, giving light, and building the universe itself.

Nebulas are the strange structures of cosmic gas and dust where stars are born and die. New discoveries reveal the secrets of these mysterious places.

Find out how nail files, birch canoes, boat hardtops, and high voltage circuit breakers are made.

Ever wondered how everyday items are made? Find out how macarons, pine needle baskets, and micrometers are made.

Ever wondered how everyday items are made? More common items including endoscopes, megaphones and uranium go under the microscope.

Ever wondered how everyday items are made? More common items including hollow disk pumps and yachts go under the microscope.

How are everyday objects made? Common items including collagen and plier staplers go under the microscope.

How are everyday objects made? Common items including Thai barbeques, diving masks and fins, and bassoons go under the microscope.

Josh explores three legendary locations where stone labyrinths hide something incredible.

Josh Gates explores other great walls in India, England and Taiwan.

Josh Gates explores places where unusual heroes rule the day in Madagascar, India and Mexico.

Josh examines places darkened by the past, from a mansion connected to a haunted heiress in California to a festival marking the death of a demoness in India.

The lawless territory of Montana remains up for grabs, and William Clark and Marcus Daly fight for control over the state and copper mines worth millions.

An exploration of Nikola Tesla's work, which led to many 20th century technological breakthroughs, including drones, lasers and power grids.

The NASA tapes that recorded the Apollo 11 moon landing are missing. Experts examine whether their disappearance is part of a cover-up.