Sky History 2 Wednesday

Examining why different cultures have similar tales of monsters and giants, and questioning whether they could be genuine eye-witness accounts of extraterrestrials

Experts question whether extraterrestrials could have helped humans build ancient structures, and if standing stones in Carnac, France, were a GPS system for ancient spacecraft

Dan Jones heads to Gwynedd to explore the history of Caernarfon Castle, the military importance of which faded at the end of the 15th century when Henry Tudor became king

El Dorado is a legendary ancient city, said to be overflowing with gold. For centuries, explorers put their lives on the line searching for it

A look at what it was really like to live and survive during one of the most devastating conflicts the world has ever seen

A think-tank of top global experts examines whether America's founding fathers hid extra-terrestrial secrets in their documents, buildings and symbols

Satellite images have revealed a giant face that appears to be carved into the Earth in Alberta, Canada, which has now become known as 'The Badlands Guardian'

The story continues with a look at his time as prime minister, a period where his notable speeches were born

A look at the creation of the super marine Spitfire, an amazing feat of engineering that became one of the most famous fighter aircrafts in the Battle of Britain

Events involving military and intelligence agencies, with suggestions of cover-ups relating to two unexplained incidents in the east of England in 1956 and 1980

In 1950, three Danish farmers came across a gruesome find. The victim was named Tollund Man, in other words, 'Bog Body', a naturally mummified corpse

Perplexing and unusual historical objects, investigating whether a machine can read personalities. Plus, an ancient golden mask painted with human blood and a cursed chicken pot

A woman who claims to have encountered shadow people and a man who claims to have used teleportation, travelling from New Jersey to New Mexico in the blink of an eye

Beau Ouimette and Rick Edwards seek artefacts from William the Conqueror's era in the stretch of the River Avon near Salisbury

A look at some outlandish inventions, including a full-body gas mask for babies, Smell-o-Vision, a robot powered by slugs and inflatable airplanes

The actor-presenter examines the notion of using human bones as a 'miracle cure' for gout and learns of a truly bizarre Victorian way to lose weight - with tapeworms

A deadly shockwave hurtles towards a terrified driver, an alien signal rises from a deep ocean abyss, while a bizarre glowing orb swoops along a remote forest road

How, as Hitler rose to power in Nazi Germany, Heinrich Himmler and the SS resolved to find the legendary continent Atlantis

A think-tank of top global experts examines whether America's founding fathers hid extra-terrestrial secrets in their documents, buildings and symbols

Satellite images have revealed a giant face that appears to be carved into the Earth in Alberta, Canada, which has now become known as 'The Badlands Guardian'

Dan Jones heads to Gwynedd to explore the history of Caernarfon Castle, the military importance of which faded at the end of the 15th century when Henry Tudor became king

A look at what it was really like to live and survive during one of the most devastating conflicts the world has ever seen

The veteran actor digs deep into the ancient past to discover mankind's predecessors' epic feats of engineering, from the remarkable to the inexplicable

Back in 1966, at the Westall School in Melbourne, Australia, students claimed they saw a saucer-shaped object in a field

Teenager 16-year-old Ron Johnson, who claimed to have witnessed a mushroom-shaped object emitting a near-blinding light while feeding the family sheep in a field