Sky History2

Series exploring the role of trains in the major conflicts of the past 150 years. Auschwitz survivors explore the railways' part in the Nazis' mass murder.

From stadiums to airport terminals to luxe dumpsters, these bizarre homes are so strange, they're almost unbelievable.

The Lost Standard, the Steam Gun and the Sacrificial Throne: Investigate an intriguing 3,500-year-old box, a steam-powered gun and a monument that may have been an Aztec throne.

First seen from space in 1965, the Eye of the Sahara is a beautiful 25-mile structure, but how it formed remains a mystery.

Speed has become a decisive feature in war's evolution: from the chariot that brought greater mobility to small handguns like Samuel Colt's revolver.

New weapons with immense force define the wars of the 20th century as international experts test the catastrophic effects of destructive weaponry.

Could ghosts and angels be visitors from other-worldly realms? A team of ancient alien theorists explores.

Could Hawaii's islands have once been inhabited by extraterrestrials? Experts investigate whether its volcanoes provide a portal between space and time.

UFOs: The team examine incidents of alleged conflicts between the US Air Force and the RAF, and asking whether these encounters have been covered up.

In 1592, Elizabeth I visited Sudeley Castle where a spectacular garden was created. 500 hundred years later, a team of archaeologists hunt for this lost gem.

The River Hunters head to Canterbury, where they're granted special permission to undertake the first official search of this section of the River Stour.

From stadiums to airport terminals to luxe dumpsters, these bizarre homes are so strange, they're almost unbelievable.

The Lost Standard, the Steam Gun and the Sacrificial Throne: Investigate an intriguing 3,500-year-old box, a steam-powered gun and a monument that may have been an Aztec throne.

First seen from space in 1965, the Eye of the Sahara is a beautiful 25-mile structure, but how it formed remains a mystery.

Speed has become a decisive feature in war's evolution: from the chariot that brought greater mobility to small handguns like Samuel Colt's revolver.

New weapons with immense force define the wars of the 20th century as international experts test the catastrophic effects of destructive weaponry.

Explore Stonehenge, one of the greatest monuments of the ancient world. Experts delve into a new theory that sheds light on how it was used by the people who built it.

Emperor Trajan throws his great games of AD 107 and the crowd is treated to the rare spectacle of female gladiators.

Could ghosts and angels be visitors from other-worldly realms? A team of ancient alien theorists explores.