Sky History 2 Saturday

The documentary explores Japanese legends about the Kami, indigenous 'gods' to whom extraordinary large memorials have been created across the country

Strange discs discovered in a cave in China that appeared to tell the story of an ancient extraterrestrial crash on Earth

The ancient site of Gobekli Tepe, which hallenges what archaeologists believe about the past

The stories behind some of the most devastating standoffs in recent US history, beginning with the 1985 MOVE bombing, in Philadelphia, Pennsylvania

Drones and satellite imagery reveal a vanished Neolithic structure in an Irish field, an oasis in a Chinese desert and buried treasure in the UK

The documentary explores Japanese legends about the Kami, indigenous 'gods' to whom extraordinary large memorials have been created across the country

Strange discs discovered in a cave in China that appeared to tell the story of an ancient extraterrestrial crash on Earth

How Inca, Mesopotamian, Persian, Greek, Chinese, Egyptian, Roman and Indus civilisations all still exert deep influences on modern life. This episode focuses on communication

Experts investigate why so many UFO sightings take place in Los Angeles, and believe the answer may lie underwater

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 lake in Canada that may hold the key to whether life exists on Mars. Plus, a Second World War aerial photo possibly containing a coded message left by a vicious religious fanatic

How Inca, Mesopotamian, Persian, Greek, Chinese, Egyptian, Roman and Indus civilisations all still exert deep influences on modern life. This episode focuses on communication

Experts investigate why so many UFO sightings take place in Los Angeles, and believe the answer may lie underwater

Dr Fern Riddell and Dr Karen Bellinger examine the mystery of the Bermuda Triangle

A look at a perplexing metal sphere, just seven-hundredths of an inch across. Under extreme magnification, it shows two holes that have been precision drilled through it

A salvage maestro returns to raise more valuable tropical hardwood, trying not to wreck his own boat in the process

Roberts and Laidlaw uncovered a fatal flaw in the Royal Navy's anti-U-boat strategy and developed their own countertactic. Their next task was winning over the Admiralty

The myriad of rumours, theories and disputed historical accounts of Adolf Hitler's sexual psychology, exploring the impact of his alleged and proven sex life on his behaviour

The documentary explores Japanese legends about the Kami, indigenous 'gods' to whom extraordinary large memorials have been created across the country

Strange discs discovered in a cave in China that appeared to tell the story of an ancient extraterrestrial crash on Earth

The ancient site of Gobekli Tepe, which hallenges what archaeologists believe about the past

As long as there has been espionage, sex and the promise of it have been powerful tools of persuasion and blackmail - practices that continue today

A satellite image reveals a deserted secret facility next to a town known to harbour escaped Nazi officers

First-hand accounts from seasoned, decorated police officers who have had unbelievable but substantiated UFO encounters

Researchers claim hidden messages can be found within the works of Leonardo da Vinci and other artists that may reveal an extraterrestrial influence