Sky History2

A strange, eerily colourful ocean seen from space conceals a terrible secret - its waters are killing all sea life in and around it. What is causing this dead zone.

As the US Navy closes in on Okinawa and the Japanese homeland, the Empire unleashes a hellish weapon. Will the Enterprise survive the Kamikaze.

Germany's Frontline Bomber: A look at one of the most-recognised German aircrafts of WWII and how it became a guinea pig for future bombers. (5 of.

Experts investigate creepy places associated with death. Could otherworldly connections be responsible for strange disappearances and suicides.

Could insects have descended from extraterrestrials? Experts investigate whether Earth's 10 quintillion critters could have dangerous links to aliens.

From military radar to Navy aircraft, sightings of Unidentified Aerial Phenomena have become more frequent - leading to unprecedented acceptance of alien contact.

Is the satellite in Earth's orbit that astronauts discovered in 1998 the same one that Nikola Tesla detected back in 1899.

Andy tracks down the site of the original Stonehenge, meets a childhood witness of Wales' most famous UFO incident and takes part in a comedic hunt for the Welsh Wildman.

In the north of Britain, a team discovers clues to Scotland's first kingdoms and metal detectorists unearth a Viking treasure hoard.

A hoard of golden coins was found in the prospecting district of California. Where did they come from and why did the owners never claim them.

What is the Voynich Manuscript, and what secrets does the mysterious 500-year-old document hold.

Sailing Stones, Brown Mountain Lights, Super Human Runner: A look at Death Valley boulders, mysterious dancing lights and super-marathon runners.

A strange, eerily colourful ocean seen from space conceals a terrible secret - its waters are killing all sea life in and around it. What is causing this dead zone.

As the US Navy closes in on Okinawa and the Japanese homeland, the Empire unleashes a hellish weapon. Will the Enterprise survive the Kamikaze.

Germany's Frontline Bomber: A look at one of the most-recognised German aircrafts of WWII and how it became a guinea pig for future bombers. (5 of.

In 1994, a secret manuscript hidden in the Vatican revealed a previously unknown apocalyptic prophecy accredited to Nostradamus. Where did it come from.

When governments strike dark deals with cults, mobs and even sworn enemies, frosty relationships and mounting tensions are tested head on.

Experts investigate creepy places associated with death. Could otherworldly connections be responsible for strange disappearances and suicides.