Sky History 2 Saturday

Recent photos and videos of 'Unidentified Aerial Phenomena', and how they link to accounts from centuries ago

The stories of the Star Ancestors - powerful beings embedded in the traditions of native people across North America that still exist

A look at the fire-breathing dragons, appearing in tales throughout the ancient world and worshipped as the bringers of great knowledge

The crucial role ships have played in international conflict over the past 500 years, beginning with the battleship's declining influence during the 20th century

Auschwitz survivors explore the railways' part in the Nazis' plans to commit murder. Documentary exploring the role of trains in major conflicts of the past 150 years

The machine gun, which dominated and personified the battlefields of the First World War. The primitive device developed over the course of the conflict

Recent photos and videos of 'Unidentified Aerial Phenomena', and how they link to accounts from centuries ago

The stories of the Star Ancestors - powerful beings embedded in the traditions of native people across North America that still exist

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

How the race to develop the first atomic bomb was seen as critical to secure world dominance

How the curator of the J Paul Getty Museum's collection fell into disgrace, brought down by a jet-setting dealer

What would happen to cars, planes and roads in a world without humans, and the potential disaster caused by an unmanned oil refinery

Experts discuss the dangers of water in a world without human beings, speculating on what would happen if rainwater submerged New Orleans

Military combat specialists Karl Ude-Martinez and Kevin Hicks test out swords, spears and armour as they investigate the British uprising against the Roman army

The whereabouts of various sacred artefacts, such as the wooden cross and iron nails, the crown of thorns and Spear of Destiny

The Hollywood actor investigates endless speculation about how the world will end over the ages, considering whether any of these predictions could come true

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

Recent photos and videos of 'Unidentified Aerial Phenomena', and how they link to accounts from centuries ago

Millions have reported encountering shadowy entities around the world who instil fear and even paralysis. Are they imaginary, or otherwordly visitors?