Sky History2

A group of hikers trekking across the Italian Alps stumble upon abandoned military infrastructure. What purpose did these camouflaged buildings serve.

Satellite images could explain desert ruins rumoured to be an entrance to an underworld and a city-sized chunk of ice suddenly disappears in Antarctica.

Explore how the Axis Powers' ruthless, brutal occupation and exploitation of other countries contributed to their demise.

In 1943, Germany fell at Stalingrad, its first major defeat. In the Pacific, Japan lost momentum after the US won at Guadalcanal.

What is it about the number 12? It holds divine significance in numerous sacred traditions and it's found repeatedly in ancient architecture. But why.

According to the earliest Tibetan traditions, hidden in the Himalaya Mountains is Shambhala, a kingdom of the gods. Does this mystical realm truly exist.

In 1980, soldiers encounter a luminous craft and dancing red lights in Suffolk. Witnesses report a metallic UFO hovering over water and crashing in Nova Scotia in 1967.

Texan farm workers are confronted by a 200-foot long object in the sky in 1957. In 1979, a UFO releases spiked spheres that leave a man unconscious in Scotland.

A newly discovered town in Devon turns history on its head and there's a shocking find by the Thames - almost 100 baby skeletons.

Andy searches for dragons in Somerset, visits the grave of Arthur and Guinevere and tests the healing waters of a spring once used to wash the Holy Grail.

Earth remains a mystery to the billions of people on it. How did it come to exist? And how long will humans call it 'home'.

A group of hikers trekking across the Italian Alps stumble upon abandoned military infrastructure. What purpose did these camouflaged buildings serve.

Satellite images could explain desert ruins rumoured to be an entrance to an underworld and a city-sized chunk of ice suddenly disappears in Antarctica.

Explore how the Axis Powers' ruthless, brutal occupation and exploitation of other countries contributed to their demise.

In 1943, Germany fell at Stalingrad, its first major defeat. In the Pacific, Japan lost momentum after the US won at Guadalcanal.

Built in 537, this is a walk-through the stunning place of worship located in Istanbul, Turkey.

Galen of Pergamon makes a name for himself as a physician for gladiators. Meanwhile, a devastating plague sweeps through the city.

What is it about the number 12? It holds divine significance in numerous sacred traditions and it's found repeatedly in ancient architecture. But why.