In a museum in Minnesota is one of the strangest machines every built. It looks like something out of a steampunk hair salon. A metal dome hangs from a wooden arm allowing it to be lowered onto the subject's head.
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Satellites reveal a series of strange pits in central China. What are they and what is their connection to some of the most pivotal events in the country's history?
Florida's vast Everglades have been invaded by up to 300,000 giant pythons. A group of military veterans are battling to rid paradise of these monsters.
A journey to the depths of the Black Sea yields the greatest series of ancient shipwrecks ever discovered. This documentary captures a series of astonishing discoveries made a treasure trove of shipwrecks uniquely preserved that date back two and a half thousand years to the Greek and Roman empires, culminating in maritime archaeology's greatest ever wreck. A fully intact Roman wreck, perfectly preserved in the anoxic waters of the Black Sea.
A journey to the depths of the Black Sea yields the greatest series of ancient shipwrecks ever discovered. This documentary captures a series of astonishing discoveries made a treasure trove of shipwrecks uniquely preserved that date back two and a half thousand years to the Greek and Roman empires, culminating in maritime archaeology's greatest ever wreck. A fully intact Roman wreck, perfectly preserved in the anoxic waters of the Black Sea.
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 7,000 square mile dead zone?
Eyes in the sky uncover something disturbing in Alaska - a settlement large enough to house thousands of people, wiped out by artillery and bombs. What happened here?
A police officer is on patrol when he suddenly hears a loud roar in the distance and sees a flame rising into the air. As he gets close he spots an oval-shaped object lifting off.
George is driving his vehicle near a lagoon on his neighbour's property when he hears a loud hissing sound. Suddenly an unexplained saucer-shaped object rises out of the swamp.
Explore a shipwreck found in the middle of the desert, learn about the German aerial terror of WW1 and traverse through a ghost town still stalked by a serial killer.
Three extraordinary stories about the supersensory power of animals: in Germany, a seemingly psychic octopus correctly predicts multiple winners in the 2010 soccer World Cup.
Three stories that suggest aliens are among us: a Mexican rancher slays a terrifying and mysterious creature that's genetically unlike any species on Earth, and is later burned to death in his car.
Over the past 50 years a fascinating pattern has emerged, linking UFOs with military personnel and installations. One of the most significant of these events took place on British soil in 1980. This programme contains some flashing images.
The golden Mask of Agamemnon is one of the most iconic and controversial discoveries of ancient Greece. Agamemnon is one of the greatest figures in Greek literature – the king who lays siege to the city of Troy.
In a museum in Minnesota is one of the strangest machines every built. It looks like something out of a steampunk hair salon. A metal dome hangs from a wooden arm allowing it to be lowered onto the subject's head.
Previously sealed documents hint at compelling new theories about extraterrestrials. Could aliens be living among us? And could former US Presidents know something we don't?
Experts investigate why so many UFO sightings take place in Los Angeles, determining that the answer may lie underwater.
A look at the future of mind control, a extinct hobbit race and whether humans can regenerate our limbs.
Check out a heart patient's unbelievable transformation, circles of ice in rivers and a shocking DNA test.
Ron Johnson, 16, is feeding the family sheep when he suddenly sees a mushroom-shaped object appearing in the field emitting a blinding light. Could it be a UFO?
It's 11am at the Westall School in Melbourne, Australia when a classroom of students playing outside see a saucer-shaped object in an adjacent field. But could it be aliens?
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