What did UFO chaser Captain Mantell see before he was killed? Plus, experts investigate a close encounter in Texas and a mysterious crash at Shag Harbour.

The most monumental ancient sculpture in the world, the half-man, half-lion Sphinx arouses the curiosity of the entire planet - but how was such a huge structure built.

Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens.

Experts investigate reports of bird-like figures that practised advanced medical science in ancient times. Could they have been extra-terrestrial.

Explore the human errors that condemned great ships to a tragic end, including the Vasa, a 17th century combat ship that sank on her maiden voyage.

Discover the incredible story of USS Laffey, the WW2 destroyer that would come to be known as 'the ship that would not die'.

Hours before the D-Day landing, a small group of American paratroopers were dropped behind enemy lines with a vital mission.

Hugh and the team uncover a World War Two prisoner of war camp beneath a housing estate in Oldham. Glen Mill held over six thousand enemy prisoners.

Hugh and the team go on the hunt for the Morda Workhouse in Oswestry, to find out what the conditions were really like for those who lived there.

A look at one of Scotland's most popular paid tourist attraction. With a slew of sieges to its name, it is no surprise that the site boasts some formidable defences.

Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens.

Experts investigate reports of bird-like figures that practised advanced medical science in ancient times. Could they have been extra-terrestrial.

With the help of modern science, uncover the secrets of health and wealth in Ancient Egypt from Queen Hatshepsut's death to a case of breast cancer.

An Endless Reign: Discover how, for the past few thousand years, this mighty ruler has remained a caricature of his own propaganda.

Fought on September 2, 31 BC, the battle of Actium was a decisive naval clash that pitted the forces of Octavian against the Romans.

A tomb containing a mummy and a coffin is discovered in the Valley of the Kings. An investigation tells a tale of a lost princess from Egypt's golden age.

Explore the extreme punishments commonly used in ancient Egypt by homicidal royalty.

Italy and the UK: Visiting a village in Calabria, Ross discovers the true extent of the mafia's powers - before meeting the daughter of an Italian mob boss.

In the waning days of the war in Europe, the Soviets march into Germany. The Nazis take their final stand as they defend the capital of the Third Reich - Berlin.

Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens.

Experts investigate reports of bird-like figures that practised advanced medical science in ancient times. Could they have been extra-terrestrial.

Across every profession and industry, icons exist in various forms and have done throughout history, from the Albert Einstein to the Jumbo Jet and the Sydney Opera House.

The SS Death Head's Unit: Tasked with guarding concentration camps, this unit's actions knew no bounds, and, despite their heinous acts, still attended social gatherings.

Deceit and Delusion 1923-1928: Hitler appears to be eliminated after his failed putsch in 1923. Discover how the Nazi movement used democracy's tolerance in Germany to come back.

In the final months of WWII, how close were the Nazis and Japan to creating the nuclear explosion that would win the war? Experts and historians examine the evidence.

In Nazi Germany, questions about witchcraft attracted SS leaders. Himmler, dedicated to an Aryan super race, established a team to research witchcraft.

Experts investigate mysterious relics that have been revered by cultures for millennia. Could these sacred items truly hold divine or otherworldly power.

Experts question the startling similarities in burial tombs from distant cultures, asking if aliens could have influenced their complicated designs.

The Battle of Leyte Gulf tells the story of the largest sea conflict in history involving Pearl Harbor warships and the largest battleships in the world.

Naval battles aren't always the dogfights of popular imagination. Sometimes, the real fight relied on secrets and subterfuge.

An elite group of British paratroopers launch a midnight raid in order to capture Hitler's unusual radar equipment.

Hugh and the team solve a 17th-century mystery in King's Lynn as they hunt for defensive earthworks from the English Civil War.

Hugh and the team search for a monastic grange known as Biggin Hall, which provided produce for the nearby monks at St Mary's Priory.

Dan Jones explores the history of Cardiff castle over more than 2,000 years and reveals how it transformed into a lavish Victorian home.

Experts investigate mysterious relics that have been revered by cultures for millennia. Could these sacred items truly hold divine or otherworldly power.

Experts question the startling similarities in burial tombs from distant cultures, asking if aliens could have influenced their complicated designs.

Scientists and historians join forces to investigate whether colossal volcanoes toppled an ancient dynasty and reveal the true face of an ancient mummy.

The Thirteenth Son: Discover how, for the past few thousand years, this mighty ruler has remained a caricature of his own propaganda.

A construction in Cairo is called to a halt following the discovery of a colossal stone head of a pharaoh, which represents a ruler lost to history.

With unimaginable wealth and power, Cleopatra was once of the most iconic figures of the ancient world. But what is the truth behind her mysterious character.

With a 4,500-year-old diary to hand and a new approach, a team set out to solve one of the ancient world's great mysteries: how was the Great Pyramid built.

At Mexico City's Templo Mayor, archaeologists uncover a 15th-century tower of 600 skulls, revealing new insights into Aztec sacrifice and ritual.

As the bloody civil wars rage on, Margaret manages to keep hold of her lands and her life under Yorkist rule. Warwick leads a rebellion against Edward. Strong language/violence.

Experts investigate mysterious relics that have been revered by cultures for millennia. Could these sacred items truly hold divine or otherworldly power.

New interpretations of ancient texts indicate that Satan may have been extraterrestrial. Could these new theories about the ruler of Hell be true.

Pain and Punishment: Witness the twisted origin stories of some of history's most diabolically creative and brutal torture devices, from the Iron Maiden to the Pear of Anguish.

Unrepentant: The SS and Its Myth After 1945: Drawing a line to the present, the atrocities of the SS are beyond all doubt, yet, there is a cult surrounding 'old comrades' today.

A look at America's Cold War codebreakers charged with unravelling a seemingly uncrackable Soviet code and the uncovering of the Manhattan Project.

A security officer is visited by an unearthly presence at a nuclear launch site, before waking up miles away. Meanwhile, a higher power seems to protect a US Army gunner.

An old client has brought in Ian to build a classic 54' Chevy pickup truck from the ground up, complete with major custom upgrades.

Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events such as wars and floods to dispel the myths.

Discover what would happen to priceless artefacts such as the Mona Lisa, the Declaration of Independence and the Liberty Bell if humans were no longer around.

Witness a prehistoric ghost in Ireland, a machine that can see back in time and a giant pentagram in the Canadian snow.

International experts demonstrate in experiments the most important ranged weapons in history, including the Roman spear, the English long bow and the minié ball.

Specialized landing craft built to go where no other combat ship can reach and able to deliver tanks, jeeps, soldiers and supplies to the front lines.

Was Dr Hynek right when he ultimately concluded that there is a non-human intelligence on Earth.

The connection between volcanoes, myths and UFO sightings, suggesting that they might attract extra-terrestrial visitors due to their unique energy.

Experts open previously off-limits files in a bid to answer some of the most mysterious questions surrounding UFOs and extra-terrestrial life.

Dan explores the history of the Earls of Arundel, how knights fought in the Hundred Years' War and how the Castle would have prepared for Queen Victoria's 1846 visit.

With the help of experts, Rob reveals the events leading up to Robert the Bruce's famous victory against the English forces.

Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events such as wars and floods to dispel the myths.

Discover what would happen to priceless artefacts such as the Mona Lisa, the Declaration of Independence and the Liberty Bell if humans were no longer around.

Witness a prehistoric ghost in Ireland, a machine that can see back in time and a giant pentagram in the Canadian snow.

International experts demonstrate in experiments the most important ranged weapons in history, including the Roman spear, the English long bow and the minié ball.

Specialized landing craft built to go where no other combat ship can reach and able to deliver tanks, jeeps, soldiers and supplies to the front lines.

A woman survives being sucked into a tornado.

A powerful hurricane forces Jeff's team into a secluded cove, where they investigate The Lombrac, an 18th-century ghost ship.

Was Dr Hynek right when he ultimately concluded that there is a non-human intelligence on Earth.

The connection between volcanoes, myths and UFO sightings, suggesting that they might attract extra-terrestrial visitors due to their unique energy.

Experts open previously off-limits files in a bid to answer some of the most mysterious questions surrounding UFOs and extra-terrestrial life.

Dan explores the history of the Earls of Arundel, how knights fought in the Hundred Years' War and how the Castle would have prepared for Queen Victoria's 1846 visit.

With the help of experts, Rob reveals the events leading up to Robert the Bruce's famous victory against the English forces.

Were Betty and Barney Hill really abducted by aliens? Experts investigate. They also explore the mystery of The Mothman, and Travis Walton's disappearance.

Designed on the medieval model of forts with its enclosure and large corner towers, Chambord is France's largest and most iconic castle.

Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events through a scientific lens to dispel the myths.

With no humans around, discover the fate of Las Vegas and Atlantic City, where the ocean would tear apart casinos and a new rat pack would take over.

Learn about Nazis and cannibals in the Black Forest, Russia's tectonic terror weapon and Jungle guerrillas on the warpath.

Experiments reveal the secret of weapons that became key to aerial warfare, from incendiary arrows to bomb attacks. What will the next advancement be.

Dive into the 'game changing' ships that turned the tide of war and made history, from the grand USS Constitution to the small and speedy CMB-4.

Throughout the ancient world, there are depictions of mysterious figures that appear to be half-human and half-bird.

People claim they have been abducted by aliens. A number of researchers have dedicated their lives to uncovering what is behind this disturbing phenomenon.

Experts open previously off-limits files in a bid to answer some of the most mysterious questions surrounding UFOs and extra-terrestrial life.

Tony Robinson winds back the clock to 1940 for a walk along Dorset's Jurassic Coast, revealing the county's World War II role as the frontline against Hitler.

King Harold is shown dying with an arrow through his eye. Rob learns that the story may not be as simple as that.

Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events through a scientific lens to dispel the myths.

With no humans around, discover the fate of Las Vegas and Atlantic City, where the ocean would tear apart casinos and a new rat pack would take over.

Learn about Nazis and cannibals in the Black Forest, Russia's tectonic terror weapon and Jungle guerrillas on the warpath.

Experiments reveal the secret of weapons that became key to aerial warfare, from incendiary arrows to bomb attacks. What will the next advancement be.

Dive into the 'game changing' ships that turned the tide of war and made history, from the grand USS Constitution to the small and speedy CMB-4.

A Greenpeace ship is bombed in 1985, killing Fernando Pereira. The French authorities deny responsibility and questions over nuclear restrictions arise again.

Former presidents of the Hells Angels give their insights on infamous leader, Sonny Barger, while his ex-wife reveals what destroyed their relationship.

Throughout the ancient world, there are depictions of mysterious figures that appear to be half-human and half-bird.

People claim they have been abducted by aliens. A number of researchers have dedicated their lives to uncovering what is behind this disturbing phenomenon.

Experts open previously off-limits files in a bid to answer some of the most mysterious questions surrounding UFOs and extra-terrestrial life.

Tony Robinson winds back the clock to 1940 for a walk along Dorset's Jurassic Coast, revealing the county's World War II role as the frontline against Hitler.

King Harold is shown dying with an arrow through his eye. Rob learns that the story may not be as simple as that.

A new and shocking theory could explain one of America's most famous unsolved crimes - the disappearance of aviator Charles Lindbergh's 20-month-old son.

The Tower of London opens up for an access all areas look at one of the most incredible historical sites in the world.

Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events such as wars and floods to dispel the myths.

Discover the fate of mankind's machinery of war in a world with no people, in which Pearl Harbor comes under renewed attacks, and snow causes urban avalanches.

Discover terrifying new images of a blob swallowing a city, spy ships attacking America, skydiving cannibal spiders and the radioactive killer fly factory.

Chart the development of the original form of combat - melee. Over time, short range instruments of battle have evolved, from the short sword to Exoskeletons.

It was a battle that lasted only five hours, but Britain's fight against Spain and Napoleon Bonaparte's France would go down in history.

Exploring how some archaeologists claim to have found skeletons of extraordinary size. Is it possible the giants actually existed.

In the age of smartphones and social media, more evidence of otherworldly activity has come to light than ever before.

An out-of-this-world look at ten of the most fascinating alien encounters ever.

Tony heads out on a 40-mile walk through the wild, dramatic and romantic Peak District - the place where the Industrial Revolution began.

Rob investigates the events leading up to the Iceni queen Boudicca's uprising against the Roman invaders during 60-61 AD.

Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events such as wars and floods to dispel the myths.

Discover the fate of mankind's machinery of war in a world with no people, in which Pearl Harbor comes under renewed attacks, and snow causes urban avalanches.

Discover terrifying new images of a blob swallowing a city, spy ships attacking America, skydiving cannibal spiders and the radioactive killer fly factory.

Chart the development of the original form of combat - melee. Over time, short range instruments of battle have evolved, from the short sword to Exoskeletons.

It was a battle that lasted only five hours, but Britain's fight against Spain and Napoleon Bonaparte's France would go down in history.

Mauro De Mauro's disappearance in Italy reveals remains in a Mount Etna cave, linked to mafia ties and a 1962 assassination.

The Invasion Of Britain: It is 47 AD. Emperor Claudius is considered a village idiot and can only hang onto his throne by waging a spectacular conquest. He chooses Britannia.

Exploring how some archaeologists claim to have found skeletons of extraordinary size. Is it possible the giants actually existed.

In the age of smartphones and social media, more evidence of otherworldly activity has come to light than ever before.

An out-of-this-world look at ten of the most fascinating alien encounters ever.

Tony heads out on a 40-mile walk through the wild, dramatic and romantic Peak District - the place where the Industrial Revolution began.

Rob investigates the events leading up to the Iceni queen Boudicca's uprising against the Roman invaders during 60-61 AD.

In 1955, a family of seven in Kentucky fired their guns on an alleged alien attack. But what did they really see.

A new recruit joins the team and begins his career as a Beefeater with some testing exams. The Chief Curator reveals the history of Anne Boleyn within the walls.

Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events such as wars and floods to dispel the myths.

What is the fate of our cars, planes and roads? What part would armadillos play in a future without people? And how do abandoned oil refineries threaten major disaster.

Look inside America's top-secret apocalypse pyramid, explore China's hidden terror camps and see Iran's hidden terror-crater.

Weapons designed for everyone hand a sizeable advantage. Experts explore three weapons that are easily used: the crossbow, a pike and the Kalashnikov.

Taking place 110 miles behind enemy lines in a treacherous harbour, the Korean War's Battle of Incheon was one of the riskiest assaults in history.

From Stonehenge to crop circles and UFO sightings, Britain holds many mysteries. Has this island been a destination for alien visitors throughout history.

Could it be that these mythological tales are based on real encounters with extraterrestrial beings.

Experts investigate evidence suggesting that aliens have created the means for controlling humanity. They find that the shocking truth might be hidden right inside you.

Tony Robinson takes a 45-mile hike through the beautiful countryside of the Weald in Kent and East Sussex, discovering its rich and surprising Tudor heritage.

Rob Bell visits Bosworth Field, the site of the decisive battle in 1485 that ended the Wars of the Roses and ushered in the Tudor dynasty.

Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events such as wars and floods to dispel the myths.

What is the fate of our cars, planes and roads? What part would armadillos play in a future without people? And how do abandoned oil refineries threaten major disaster.

Look inside America's top-secret apocalypse pyramid, explore China's hidden terror camps and see Iran's hidden terror-crater.

Weapons designed for everyone hand a sizeable advantage. Experts explore three weapons that are easily used: the crossbow, a pike and the Kalashnikov.

Taking place 110 miles behind enemy lines in a treacherous harbour, the Korean War's Battle of Incheon was one of the riskiest assaults in history.

In our final episode, we examine how each Axis Power had troubles on their own home front, leading to disaster in the final days of the war.

Revisiting the bloody British uprising against the Romans, presenter Karl Ude-Martinez tests out swords, spears and armour.

From Stonehenge to crop circles and UFO sightings, Britain holds many mysteries. Has this island been a destination for alien visitors throughout history.

Could it be that these mythological tales are based on real encounters with extraterrestrial beings.

Experts investigate evidence suggesting that aliens have created the means for controlling humanity. They find that the shocking truth might be hidden right inside you.

Tony Robinson takes a 45-mile hike through the beautiful countryside of the Weald in Kent and East Sussex, discovering its rich and surprising Tudor heritage.

Rob Bell visits Bosworth Field, the site of the decisive battle in 1485 that ended the Wars of the Roses and ushered in the Tudor dynasty.

The hunt is on for the Civil War Gold and for $1.5million taken in 1962's Plymouth Mail robbery. Plus, treasure seekers search for the Lost Dutchman mine.

A look at an extraordinary display of nearly 900,000 ceramic poppies in the moat. Also, Curator Bridget explores a reminder of the horrors of war.

Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events such as wars and floods to dispel the myths.

Water gives life, but it can also destroy. Discover how, in a world without people, rain submerges New Orleans and corrosion topples Seattle's Space Needle.

Discover the desert ghost town of untold riches and unspeakable horrors, the lost empire of South America and hear mystery noises that haunt a city.

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.

Follow the major operations that have taken place in the Persian Gulf - from Earnest Will to Desert Storm - and examine the combat vessels from both sides.

Japan has long been a place of wonder. Delve into the age-old mysteries, examining how they connect with the recent surge in UFO activity.

Meteor impacts have created the perfect environment for humankind. Could new evidence reveal that celestial objects have been sent by an alien intelligence.

Could Hitler's crazed quest for world domination have been influenced by aliens? Experts reveal the extraterrestrial secret Hitler may have been hiding and where it is now.

Tony takes a tough four-day trek through the Kintail region of the Highlands to discover the incredible story of the Jacobite Uprisings of the early 1700s.

Rob Bell visits the site of the battle in 1645 that resulted in Charles I's surrender and paved the way for rule by parliamentary democracy.

Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events such as wars and floods to dispel the myths.

Water gives life, but it can also destroy. Discover how, in a world without people, rain submerges New Orleans and corrosion topples Seattle's Space Needle.

Discover the desert ghost town of untold riches and unspeakable horrors, the lost empire of South America and hear mystery noises that haunt a city.

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.

Follow the major operations that have taken place in the Persian Gulf - from Earnest Will to Desert Storm - and examine the combat vessels from both sides.

In 1917, three young shepherd children from Fatima, Portugal, claimed to be instruments of divine prophecy. Was there truth to their allegations.

From the CIA's decades-long pursuit of the perfect truth serum to the US Army's secret PsyOps in Vietnam. Every one a more alarming deception than the next.

Japan has long been a place of wonder. Delve into the age-old mysteries, examining how they connect with the recent surge in UFO activity.

Meteor impacts have created the perfect environment for humankind. Could new evidence reveal that celestial objects have been sent by an alien intelligence.

Could Hitler's crazed quest for world domination have been influenced by aliens? Experts reveal the extraterrestrial secret Hitler may have been hiding and where it is now.

Tony takes a tough four-day trek through the Kintail region of the Highlands to discover the incredible story of the Jacobite Uprisings of the early 1700s.

Rob Bell visits the site of the battle in 1645 that resulted in Charles I's surrender and paved the way for rule by parliamentary democracy.

Could an ex-cop have solved the mystery of Jimmy Hoffa's disappearance? Plus, experts investigate whether J F Kennedy's brain might have gone missing.

Raven Master Chris must introduce a new bird to the Tower's enclosure, while Constable Nicholas is in charge of the room where Guy Fawkes was interrogated.

Theorists search ancient texts for proof that extraterrestrials influenced the miraculous advances made by the Sumerian civilisation 5,000 years ago.

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together.

Specialized landing craft built to go where no other combat ship can reach and able to deliver tanks, jeeps, soldiers and supplies to the front lines.

It was a battle that lasted only five hours, but Britain's fight against Spain and Napoleon Bonaparte's France would go down in history.

Dive into the 'game changing' ships that turned the tide of war and made history, from the grand USS Constitution to the small and speedy CMB-4.

With the help of experts, Rob reveals the events leading up to Robert the Bruce's famous victory against the English forces.

Rob investigates the events leading up to the Iceni queen Boudicca's uprising against the Roman invaders during 60-61 AD.

Dan explores the history of the Earls of Arundel, how knights fought in the Hundred Years' War and how the Castle would have prepared for Queen Victoria's 1846 visit.

Theorists search ancient texts for proof that extraterrestrials influenced the miraculous advances made by the Sumerian civilisation 5,000 years ago.

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together.

Explore the Ancient Egyptians' obsession with death and the afterlife by using cutting-edge new science to expose secret artefacts and rituals.

With a 4,500-year-old diary to hand and a new approach, a team set out to solve one of the ancient world's great mysteries: how was the Great Pyramid built.

Look into the top theories behind where the tomb of Cleopatra may be located.

Follow the story - spanning more than 4,000 years - of the ancient scroll, the Egyptian Book of the Dead, which is thought to have influenced not only the Old Testament but Moses himself.

Japan expands in Asia and Africa's colonies become key battlegrounds for power and resources.

Witness the extraordinary military success of the Blitzkrieg campaign, captured through rare combat footage and first-hand accounts in colour.

Theorists search ancient texts for proof that extraterrestrials influenced the miraculous advances made by the Sumerian civilisation 5,000 years ago.

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together.

Explore a collection of figures and groups who have redefined the notion of fame through history, from royal families across the globe to Marilyn Monroe and The Beatles.

The Tower of London opens up for an access all areas look at one of the most incredible historical sites in the world.

Democracy Without Democrats 1929-1933: A protest turns into a racist and anti-Jewish movement during the 1920s and the NSDAP use emotions to gain the loyalty of the people.

In 1923, Adolf Hitler led the infamous Beer Hall Putsch, an attempt to take power in Germany by force. It was a day that would change the world forever, birthing Hitler's regime.

As the Third Reich rises to power, Himmler fixates on the Holy Grail as his and the Nazis' desperation to capture this ancient relic intensifies.

Experts investigate the power of the number three in history, science and astronomy. Could its huge significance bear links to extraterrestrial life.

Experts search ancient accounts of magic for evidence suggesting that the wizards and witches of yesteryear were given otherworldly knowledge by aliens.

Follow the major operations that have taken place in the Persian Gulf - from Earnest Will to Desert Storm - and examine the combat vessels from both sides.

Taking place 110 miles behind enemy lines in a treacherous harbour, the Korean War's Battle of Incheon was one of the riskiest assaults in history.

On June 10, 1942, Major Georges Bergé's team landed in Crete to destroy Luftwaffe planes at Heraklion airfield. They faced a tough mission.

King Harold is shown dying with an arrow through his eye. Rob learns that the story may not be as simple as that.

Rob Bell visits Bosworth Field, the site of the decisive battle in 1485 that ended the Wars of the Roses and ushered in the Tudor dynasty.

Rob Bell visits the site of the battle in 1645 that resulted in Charles I's surrender and paved the way for rule by parliamentary democracy.

Experts investigate the power of the number three in history, science and astronomy. Could its huge significance bear links to extraterrestrial life.

Experts search ancient accounts of magic for evidence suggesting that the wizards and witches of yesteryear were given otherworldly knowledge by aliens.

Using cutting-edge science, experts unravel the mysteries of Ancient Egypt's Elite, such as how Ramesses battled a biblical drought.

Explore the incredible story behind one of the most famous images from the ancient world - the blue-crowned bust of Queen Nefertiti. Could it be a fake.

Written in the Stars: Ex-Rolls Royce engineer Bradley Walsh questions the Pyramids' builders and purpose, seeking answers by visiting them himself.

Riddle of the Sphinx: Bradley journeys through Egypt to uncover the secrets of the Sphinx and explores the mysterious underground Serapeum.

Search for the Boy King: Bradley travels to the tomb of Tutankhamun to unravel the mysteries of the rise and fall of Egypt's most famous royal dynasty.

The cave's eerie acoustics have been associated with supernatural phenomena, earning it a reputation for connecting visitors to the spirit world.

When Edward IV dies unexpectedly, the future of England is thrown up in the air. Richard III makes a power grab, and Margaret makes her own power move. Strong language/violence.

Experts investigate the power of the number three in history, science and astronomy. Could its huge significance bear links to extraterrestrial life.

Experts search ancient accounts of magic for evidence suggesting that the wizards and witches of yesteryear were given otherworldly knowledge by aliens.

Blades of Fury: From the destructive Viking axe to the sacred but deadly Samurai katana, razor-sharp blades wielded by fearsome warriors have spilled blood and forged empires.

A new recruit joins the team and begins his career as a Beefeater with some testing exams. The Chief Curator reveals the history of Anne Boleyn within the walls.

Experts reveal the highly encrypted phones that criminal gangs use to stay under the radar, and explain how the police are turning the phones against the crooks.

During the Cold War, an intelligence analyst in West Germany hears mysterious drumbeats. Meanwhile, a combat engineer encounters three unusual creatures in Oregon.

One of Ian's most infamous show cars, Space Junkie, returns to the shop. The gem is in desperate need of rehab and Ian brings it back to life.

Experts investigate whether a controversial union leader's disappearance is linked to the mob or if he went missing on his own accord.

Experts investigate if a mysterious caller had inside knowledge about the assassination of President John F Kennedy.

Sacred buildings around the world begin to crumble without humans to maintain them. Clues about the planet's future lie in an abandoned desert town.

Explore Ragnarok and the chambers of horror, see the penguin apocalypse and attack of the mega-mice and catch a family holiday - North Korean style.

Uncover the truth behind some of history's most mysterious sinkings, from a sunken World War I cruiser to a British Destroyer from the Falklands War.

Did Mother Nature cause the volcanoes, earthquakes and floods of ancient times? Or could aliens have been responsible? Experts investigate.

Ancient alien theorists ask whether the Greeks and Egyptians understood electricity. Could extraterrestrials have introduced them to such technology.

Experts unseal the truth about the potential aliens living and working among us. Who has come in peace? And who has a more sinister motive in mind.

Walking from the stone circles of Avebury to Stonehenge, Tony explores the connections between Europe's finest collection of Neolithic monuments.

Rob visits the village of Wymondham, where in 1549, a dispute over landownership and sheep grazing sparked a violent rebellion by peasants.

Experts investigate whether a controversial union leader's disappearance is linked to the mob or if he went missing on his own accord.

Experts investigate if a mysterious caller had inside knowledge about the assassination of President John F Kennedy.

Sacred buildings around the world begin to crumble without humans to maintain them. Clues about the planet's future lie in an abandoned desert town.

Explore Ragnarok and the chambers of horror, see the penguin apocalypse and attack of the mega-mice and catch a family holiday - North Korean style.

Uncover the truth behind some of history's most mysterious sinkings, from a sunken World War I cruiser to a British Destroyer from the Falklands War.

A pilot activates his ejector seat at the last second during a rocky landing.

The team must make one final push to find the Chameau's remaining fortune and complete the mission Jeff's father started decades ago before time runs out.