Sky History 2 Sunday

After decades of secrecy, high-ranking government officials are now discussing UFOs. Some say this has been prompted by the fact the evidence has become too great to ignore

Some 2,600 years ago, The Ark of the Covenant, the sacred relic of the ancient world, suddenly disappeared from history. Where did it go and why?

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

The Hollywood actor investigates the stories of sacred and holy relics, beginning with the Ark of the Covenant and Noah's Ark

The Hollywood actor investigates the quest for immortality, which has captivated and confounded people for thousands of years

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

Documentary exploring alien-like metal monsters coming from the sea, a war between 30 million crabs and an army of killer ants

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

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

After decades of secrecy, high-ranking government officials are now discussing UFOs. Some say this has been prompted by the fact the evidence has become too great to ignore

Some 2,600 years ago, The Ark of the Covenant, the sacred relic of the ancient world, suddenly disappeared from history. Where did it go and why?

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

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

Medical staff and patients recount their chilling encounters with paranormal activity inside hospitals, nursing homes, morgues and medical institutions

Paranormal activity inside medical buildings. A nurse faces an unearthly apparition, a home is struck by demonic possession, and a woman starts seeing ghosts

After decades of secrecy, high-ranking government officials are now discussing UFOs. Some say this has been prompted by the fact the evidence has become too great to ignore

Some 2,600 years ago, The Ark of the Covenant, the sacred relic of the ancient world, suddenly disappeared from history. Where did it go and why?

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

Philip Mantle, Britain's most renowned UFO investigator, attempts to discover what really happened that stormy night in the desert of Roswell, New Mexico in 1947

The veteran actor looks at the visions of mystics, prophets and clairvoyants throughout history, examining what their prophecies reveal and what predictions offered for the future

Unusual medical cures of ancient times, including boring holes in people's skulls, a trepanning technique used by the Inca civilisation.

Celebrities explore British passions and preoccupations, beginning with Harry Hill focusing on the nation's unique sense of humour