Sky History2

Pioneer of the Multiverse: Dr Jacques Vallée is best known for his work in the field of UFOs - and his bold theories challenge the notions of alien life.

Throughout ancient cultures there are tales of god-like beings helping our ancestors to build civilisations and teaching them in various disciplines.

Adam, Gwen and Julie recall personal encounters with UFOs, before experts' theories are put in doubt when we learn that each individual has time missing from their encounters.

Dan visits one of Northern Ireland's oldest castles, Carrickfergus, to learn more about the tempestuous relationship between Britain and Ireland.

Hugh and the team search for the remains of a Norman motte and bailey castle in the suburb of West Derby and uncover gems in the residents' gardens.

Travel to Abu Dhabi's incredible Masdar City, check out the Wieliczka Salt Mine in Poland and visit an Indian village where the houses don't have doors.

A walk through the iconic mausoleum complex, located in India and commissioned in 1632 by the Mughal emperor Shah Jahan to house the remains of his beloved wife.

Experts scrutinise The Bible for evidence of alien abductions. Could extraterrestrials have been kidnapping humans for thousands of years.

A look at how ancient man could have built huge stone monoliths without advanced tools or technology. Could they have had extra-terrestrial help.

Ships don't have to be large to make history, like the 1776 gunboat built to stop a British invasion, or the remarkable story of the HA-19 sub.

A look at the tactics employed to pass strategically important ships under the nose of the enemy, and the use of intelligence to carry out naval attacks.

This is Sky History.

Hugh and the experts attempt to uncover a lost Roman fort connected to the Antonine Wall, buried beneath the gardens of the quiet streets of Falkirk.

Hugh Dennis and a team of archaeologists are in Devizes, searching for a revolutionary 19th-century prison with a unique design.

Dan delves into the rich past of the Tower of London, exploring inside the imposing walls that have witnessed some of the most important events in our history.

Experts scrutinise The Bible for evidence of alien abductions. Could extraterrestrials have been kidnapping humans for thousands of years.

A look at how ancient man could have built huge stone monoliths without advanced tools or technology. Could they have had extra-terrestrial help.

Science shines a light on the dark side of Ancient Egypt, from a 5,000-year-old homicide to drug-fuelled debauchery - and one very shocking revelation.

Discover how, for the past few thousand years, this mighty ruler has remained a caricature of his own propaganda.

The Battle of Qadesh: A battle worthy of Hollywood that founded the glory of Ramses II when he faces the king Muwatalli II at Qadesh.

Cleopatra II's reign was a truly dramatic and grisly tale. She saw her dynasty torn apart by hatred - but also saved it from destruction.

Delve into the theories that could help explain why and how the ancient Egyptians came to build the pyramids.

When a century-old extradition treaty between Britain and Spain ended in 1978, the Spanish Coast became a safe haven for the mafia and criminal masterminds.

Rewind to the US Army's largest and bloodiest conflict of World War II: The Battle of the Bulge. Venture through the battle in newly colourised footage.

Experts scrutinise The Bible for evidence of alien abductions. Could extraterrestrials have been kidnapping humans for thousands of years.