Sky History 2 HD Today

An assessment of whether past plagues have been brought to Earth by aliens and whether the planet is prepared for an extraterrestrial invasion of disease

Ancient astronaut theorist Giorgio Tsoukalos investigates the mystery of the Nazca Lines, a series of ancient geoglyphs located in the desert area of southern Peru

A team attempts to locate a British Second World War aeroplane that went missing in Iceland. Plus, in Russia, 34,000-year-old graves are discovered

The background and development of one of the Second World War's most iconic bombers. The Boeing B-17 - known as the 'Flying Fortress' - served with both the USAAF and the RAF

Startling mysteries captured by satellites orbiting the Earth, here featuring the man-eating mountain - a black scar in a remote Australian forest revered by Aboriginal tribes

An assessment of whether past plagues have been brought to Earth by aliens and whether the planet is prepared for an extraterrestrial invasion of disease

Ancient astronaut theorist Giorgio Tsoukalos investigates the mystery of the Nazca Lines, a series of ancient geoglyphs located in the desert area of southern Peru

Homicide detective Rod Demery and forensic scientist Turi King investigate an Iron Age victim, so well-preserved that he seems to be peacefully sleeping

Dan Jones heads to Gwynedd to explore the history of Caernarfon Castle, the military importance of which faded at the end of the 15th century when Henry Tudor became king

A look at how the technology behind the ancient Greeks' Trireme war vessels and Roman emperor Caligula's opulent sex ships has defied reinvention

The background and development of one of the Second World War's most iconic bombers. The Boeing B-17 - known as the 'Flying Fortress' - served with both the USAAF and the RAF

Cameras capture an entire city floating in the sky. A never before seen signal coming from under a tiny island off the coast of Africa

Documentary exploring anomalies appearing on satellite images. An image of a wrecked aeroplane triggers a hunt that leads to a Colombian drug lord

Experts open previously off-limits secret files in a bid to answer some of the most mysterious questions surrounding UFOs and extraterrestrial life

The actor recalls the Antwerp Diamond Heist of February 2003, when after 27 months of planning, an elite crew of Italian thieves executed a plan to make off with over $100million

The murder of Margo Compton and her six-year-old daughters, following her decision to testify in a California state criminal prosecution that she was being pimped by Hell's Angels

A team attempts to locate a British Second World War aeroplane that went missing in Iceland. Plus, in Russia, 34,000-year-old graves are discovered

Overcoming overwhelming odds while fighting throughout the Mediterranean, Julius Caesar's decisive actions were a success and made him the most powerful man in the world

An assessment of whether past plagues have been brought to Earth by aliens and whether the planet is prepared for an extraterrestrial invasion of disease

Dan Jones heads to Gwynedd to explore the history of Caernarfon Castle, the military importance of which faded at the end of the 15th century when Henry Tudor became king

Investigating the true power and scale of the Romans' ingenuity, from luxurious revolving rooms to colossal walls and the technology behind amphitheatres

Experts open previously off-limits secret files in a bid to answer some of the most mysterious questions surrounding UFOs and extraterrestrial life

Cameras capture an entire city floating in the sky. A never before seen signal coming from under a tiny island off the coast of Africa

Investigations into inventor Nikola Tesla's claims of communication with extraterrestrials on other planets and whether the scientist could have been a human 'receiver'