E1 • The Loch Ness Monster

Examining Scotland's long-standing aquatic mystery, which remains unsolved after centuries of theories, sightings and searches.

42m • 2023

Examining Scotland's long-standing aquatic mystery, which remains unsolved after centuries of theories, sightings and searches.

E2 • Who Is The Zodiac Killer?

Looking at how new evidence and technology may finally be able to identify the mysterious late-1960s serial killer who taunted investigators with cryptic ciphers.

41m • 2023

Looking at how new evidence and technology may finally be able to identify the mysterious late-1960s serial killer who taunted investigators with cryptic ciphers.

E3 • The Assassination Of JFK

Examining the world-shaking events of November 22, 1963 in Dallas, Texas which, for many, have still not been satisfactorily explained over half a century later.

41m • 2023

Examining the world-shaking events of November 22, 1963 in Dallas, Texas which, for many, have still not been satisfactorily explained over half a century later.

E4 • The Lost Colony Of Roanoke

Examining the enduring mystery surrounding the group of 16th-century settlers who seemingly vanished without trace from Roanoke Island, off the coast of North Carolina.

40m • 2023

Examining the enduring mystery surrounding the group of 16th-century settlers who seemingly vanished without trace from Roanoke Island, off the coast of North Carolina.

E5 • The Phoenix Lights Phenomenon

In 1997, thousands of people across Phoenix witness a series of strange lights unlike anything they've ever seen. Could this be one of the largest-scale UFO sightings in history, or is there another explanation?

40m • 2023

In 1997, thousands of people across Phoenix witness a series of strange lights unlike anything they've ever seen. Could this be one of the largest-scale UFO sightings in history, or is there another explanation?

E6 • The Ark Of The Covenant

One of the holiest and most powerful biblical relics has been missing for over 2,000 years. While some believe the Ark of the Covenant was destroyed, many think not. Could new clues finally tell us what happened?

41m • 2023

One of the holiest and most powerful biblical relics has been missing for over 2,000 years. While some believe the Ark of the Covenant was destroyed, many think not. Could new clues finally tell us what happened?

E7 • The 'Missingest' Man In America

In 1930, a NY Supreme Court justice linked to Tammany Hall and FDR disappeared. The unsolved case dominated media for decades. Could a deathbed confession finally reveal what happened to Judge Joseph Crater nearly a century later?

41m • 2023

In 1930, a NY Supreme Court justice linked to Tammany Hall and FDR disappeared. The unsolved case dominated media for decades. Could a deathbed confession finally reveal what happened to Judge Joseph Crater nearly a century later?

E8 • Decoding The Mysterious Antikythera Mechanism

An ancient mechanical device found on a 2,000-year-old shipwreck has become known as the world's first computer. The machine is far more advanced than historians thought possible, yet its origin and true purpose remain a mystery.

41m • 2023

An ancient mechanical device found on a 2,000-year-old shipwreck has become known as the world's first computer. The machine is far more advanced than historians thought possible, yet its origin and true purpose remain a mystery.

E9 • Blackbeard's Lost Treasure

Blackbeard is said to have stowed away a treasure worth millions of dollars. After centuries of searching, the legendary hoard remains missing. As new evidence is unearthed, the mystery endures: what became of Blackbeard's lost treasure?

41m • 2023

Blackbeard is said to have stowed away a treasure worth millions of dollars. After centuries of searching, the legendary hoard remains missing. As new evidence is unearthed, the mystery endures: what became of Blackbeard's lost treasure?

E10 • The Puzzling Pyramids Of Egypt

More than 4,000 years old, the pyramids of Egypt are among Earth’s most celebrated architectural marvels. But no one fully understands how or why they were built. What is the true purpose of Egypt's astonishing pyramids?

41m • 2023

More than 4,000 years old, the pyramids of Egypt are among Earth’s most celebrated architectural marvels. But no one fully understands how or why they were built. What is the true purpose of Egypt's astonishing pyramids?

E11 • The Deadly Bermuda Triangle

For centuries, this area of the Atlantic has been the most notorious stretch of ocean on Earth. Ships, planes, and unsuspecting travellers have been lost without trace. What could cause so many mysterious vanishings inside the Bermuda Triangle?

41m • 2023

For centuries, this area of the Atlantic has been the most notorious stretch of ocean on Earth. Ships, planes, and unsuspecting travellers have been lost without trace. What could cause so many mysterious vanishings inside the Bermuda Triangle?

E12 • The Hunt for Stolen Nazi Treasure

During World War Two, the Nazis stole vast amounts of art, gold, silver and currency, stashing it across Europe. While some has been recovered, much more is still missing. Where did the Nazis take their stolen loot? And can it ever be found?

41m • 2023

During World War Two, the Nazis stole vast amounts of art, gold, silver and currency, stashing it across Europe. While some has been recovered, much more is still missing. Where did the Nazis take their stolen loot? And can it ever be found?

E13 • The Search For Noah's Ark

It's one of the most famous stories from the Bible. Now, can scientific evidence prove if there really was a great flood? And if so, what happened to Noah's Ark?

41m • 2023

It's one of the most famous stories from the Bible. Now, can scientific evidence prove if there really was a great flood? And if so, what happened to Noah's Ark?

E14 • Who is D.B. Cooper?

In 1971, D.B. Cooper hijacked a plane, demanding four parachutes and $200,000 before jumping out and disappearing, making it the only unsolved air piracy case in history. Could new evidence uncover Cooper's identity?

40m • 2023

In 1971, D.B. Cooper hijacked a plane, demanding four parachutes and $200,000 before jumping out and disappearing, making it the only unsolved air piracy case in history. Could new evidence uncover Cooper's identity?

E15 • Unlocking the Secrets of Stonehenge

A mysterious arrangement of stones that have adorned the English countryside for millennia. But to this day, nobody knows how the landmark was built or why. Can modern technology finally unlock its secrets? What is the true purpose of Stonehenge?

40m • 2023

A mysterious arrangement of stones that have adorned the English countryside for millennia. But to this day, nobody knows how the landmark was built or why. Can modern technology finally unlock its secrets? What is the true purpose of Stonehenge?

E16 • The Legend of Bigfoot

Thousands of people swear they've encountered this legendary North American creature, but Bigfoot has never been officially identified. The mystery endures: does Bigfoot really exist? And if so, what - and where - is it?

41m • 2023

Thousands of people swear they've encountered this legendary North American creature, but Bigfoot has never been officially identified. The mystery endures: does Bigfoot really exist? And if so, what - and where - is it?

E17 • The Search for El Dorado

It is a legendary ancient city, said to be overflowing with gold. For centuries, explorers put their lives on the line searching for it. As the endless quest to uncover this fabled city continues, will anyone ever find it?

41m • 2023

It is a legendary ancient city, said to be overflowing with gold. For centuries, explorers put their lives on the line searching for it. As the endless quest to uncover this fabled city continues, will anyone ever find it?

E18 • The Mysterious Havana Syndrome

In 2016 a mysterious illness strikes dozens of government officials in Cuba. Over the next few years, hundreds more are afflicted. Investigations raise more questions than answers. What is the true cause of this phenomenon known as "Havana Syndrome?"

41m • 2023

In 2016 a mysterious illness strikes dozens of government officials in Cuba. Over the next few years, hundreds more are afflicted. Investigations raise more questions than answers. What is the true cause of this phenomenon known as "Havana Syndrome?"

E19 • Unlocking the Secrets of the Nazca Lines

2,000-year-old geoglyphs made in the Peruvian desert span over 50 miles, drawings so massive they can only be seen from the air. Can new research finally unravel their secrets? What is the true purpose of the incredible Nazca Lines?

42m • 2023

2,000-year-old geoglyphs made in the Peruvian desert span over 50 miles, drawings so massive they can only be seen from the air. Can new research finally unravel their secrets? What is the true purpose of the incredible Nazca Lines?

E20 • The Hunt for Cleopatra's Missing Tomb

She was the last pharaoh of Egypt and one of the most famous queens of all time, but her death has been shrouded in mystery. Cleopatra's tomb have been lost for over 2,000 years. Can new evidence uncover Cleopatra's missing tomb?

42m • 2023

She was the last pharaoh of Egypt and one of the most famous queens of all time, but her death has been shrouded in mystery. Cleopatra's tomb have been lost for over 2,000 years. Can new evidence uncover Cleopatra's missing tomb?