Sky History 2 Thursday

Experts examine evidence that aliens may have visited Mecca's Grand Mosque and Jerusalem's Temple Mount

Experts investigate stories of a French church that supposedly contains a gateway to another universe and an alien library believed to be hidden underneath the Great Sphinx of Giza

Giorgio Tsoukalos draws on evidence from past series as he asks whether extra-terrestrials could have introduced the Greeks and Egyptians to electricity

An exploration of Tikal, one of the largest archaeological sites and urban centres of pre-Columbian Mayan civilisation

How skilled thieves Samuel Nalo and Robert Comfort carried out a robbery at New York's Pierre Hotel. The theft, in January 1972, saw them net $3million in assets, mainly jewellery

Experts examine evidence that aliens may have visited Mecca's Grand Mosque and Jerusalem's Temple Mount

Experts investigate stories of a French church that supposedly contains a gateway to another universe and an alien library believed to be hidden underneath the Great Sphinx of Giza

Documentary exploring theories regarding supposed extraterrestrial visits to ancient civilizations, focusing on the mysterious carved blocks of the Inca ruin of Puma Punku

The ancient city of Chichen Itza in Mexico, exploring the construction and purpose of ancient monuments, and how they were built without modern technology

The Villescas family members talk with an expert about whether a spur they found could tie to the Conquistadors

It's believed the Knights Templar owned vast swathes of land, commanded fleets, and lent money to kings. This documentary seeks to separate the facts from the fiction

The origins of the curses surrounding the Karun Treasure, Edvard Munch's The Sick Child paintings and other subjects, from a hidden tomb in Turkey to a death bed in Norway

Hamilton examines Nazi badges that were sold to raise money for the poor, and some silver bullion bars found close to a concentration camp in Poland

An exploration of Ragnarok and the chambers of horror. Plus, a penguin apocalypse, an attack of mega-mice and a family holiday - North Korean style

Over 50 years on, Laurence Fishburne reveals, how new evidence and technology may finally be able to crack the Zodiac Killer's code and reveal his identity

A Hells Angel proves his loyalty to the gang by leading a mass slaughter of their enemies - but he soon wrestles with his conscience and seeks an exit

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

Paranormal activity inside medical buildings. A nurse is threatened by ghosts watching her every move. A war veteran experiences inexplicable events at his new job

Experts examine evidence that aliens may have visited Mecca's Grand Mosque and Jerusalem's Temple Mount

Experts investigate stories of a French church that supposedly contains a gateway to another universe and an alien library believed to be hidden underneath the Great Sphinx of Giza

A countdown of the top 10 most interesting reported alien encounters

The Villescas family members talk with an expert about whether a spur they found could tie to the Conquistadors

It's believed the Knights Templar owned vast swathes of land, commanded fleets, and lent money to kings. This documentary seeks to separate the facts from the fiction

The origins of the curses surrounding the Karun Treasure, Edvard Munch's The Sick Child paintings and other subjects, from a hidden tomb in Turkey to a death bed in Norway

Experts investigate whether common human rituals may have been inspired by contact with aliens