Sky History 2 HD Tuesday

Across the world, there are stories of treasures that have been lost for centuries. This programme considers that these ancient relics have been hidden by extraterrestrials

The vast Alaskan wilderness, which is known for mysterious disappearances, electromagnetic anomalies, stories of strange creatures and UFO sightings

Alice Roberts explores Edinburgh and its role in the union between England and Scotland, as well as the story of Burke and Hare, and how it influenced British medical law

The theories behind where the Ark of the Covenant - an artefact thought to be the most sacred relic of the Israelites - may be hidden

The story of the C-47 aircraft that took off from England to drop Allied fighting men into Normandy. After its rediscovery in 2015, it was restored for a transatlantic mission

Experts investigate alleged sightings of UFOs during the Black Death, and examine the theory that aliens may have inflicted the disease on the human race

Researchers study giant ancient drawings found etched into the desert floor, which may be a part of an ancient alien code

Military historian Stephen Bull tests the three most significant weapons of the sea and explores whether the subsonic torpedo could rule the waves in the future

The story of the battle that ensured the liberation of the Ukraine from the Nazis, told from the Russian perspective

Former staff of top-secret facility Hangar 18 in Dayton, Ohio, reveal stories of mysterious activity at the base, including alien bodies, flying saucer debris and cryonic chambers

The 1,000 giant giant stone heads of Easter Island are some of the most recognisable statues on Earth, but are also some of the least understood. Where did they come from?

Roman dodecahedrons and baffling copper scrolls discovered in Israel come under the microscope next. Plus, a bizarre discovery in Whitby

The actor examines instances of superhuman feats by humans, be it surviving freezing temperatures, diving unfathomable depths in one breath or lifting weighty objects

The team seeks artefacts from the country's first superhighway - the Bridgewater Canal - that linked the coal mines of Worsley with Manchester and powered the Industrial Revolution

The story of film producer Walt Disney and how the iconic Disney brand he established continues to shape generations as a cultural and worldwide phenomenon

How, while facing soaring costs, mounting criticism and a tight deadline, film producer Walt Disney managed to create his first full-length animated feature film

The team investigates the origins of a hill fort which was long thought to be Iron Age, but is now believed to be an even older defence against invasion

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

Experts investigate alleged sightings of UFOs during the Black Death, and examine the theory that aliens may have inflicted the disease on the human race