Probing the Windsor Hum and Old Faithful; visiting a Venezuelan lake where lightning rains down 300 nights a year; sizing up the massive underground fire that's been burning in Centralia, Pa., since 1962.
Times shown in UTC. Change timezone.
Across the planet are places where nature behaves in ways that seem to defy explanation-forests where people vanish, deserts where signals fail, caves filled with toxic air, and mountains no one dares to climb.
For centuries, certain objects have been deemed to heal the sick, summon spirits, legitimize kings, curse their owners, and even alter the fate of nations.
No episode description is available yet.
Dinosaurs have fascinated scientists for nearly two centuries, and in all that time, we have yet to answer even the most basic questions about how these animals lived, how they died, and what became of them.
Throughout history, governments have carried out top secret projects that defy belief-from experimental aircraft and staged illusions to covert experiments that crossed ethical boundaries.
A house that narrowly dodges the path of a tornado; rain that falls from the sky like blood; lightning that follows into the home.
Throughout history, there have been men of science who pushed the boundaries of experimentation to the edge of madness.
Examining mankind's fascination with the dead, from ancient civilizations to 20th-century empires, and the possible reasons for that focus.
For thousands of years, people have believed in the existence of Satan, the embodiment of evil; some believe he has the power to possess souls and create mayhem amongst humanity.
From demonic possession and cursed homes to battlefield apparitions and ancient pacts with the Devil, history is filled with chilling accounts of supernatural forces said to be working against humanity.
Throughout history and across the globe, there have been many sacred relics believed to be imbued with mystical powers.
Bizarre, mysterious tales ran rampant and are still being told to this day; are these strange tales of the American frontier simply legend, or was the west far stranger than one could possibly imagine?
During The Golden Age of Piracy, thousands of buccaneers terrorized the high seas and became legends; their exploits spawned stories of larger-than-life characters, billion dollar heists, and buried treasure that to this day, has never been found.
Every year, people risk their lives to enter places the world has marked off-limits, and in most cases, no one fully understands why.
Every year, people risk their lives to enter places the world has marked off-limits, and in most cases, no one fully understands why.
As a new era of exploration of the Red Planet begins, the Red Planet's mysteries might be close to getting solved; ancient cataclysms are believed to have left Mars barren, but science continues to find clues that this red planet was once blue.
The world is full of stunning displays of natural phenomena that are so spectacular and, at times, so strange they defy conventional wisdom; examining if science can explain these mysteries.
Through records in historical texts, oral tradition and folklore, exploring how a once-thriving community becomes a lost city; what secrets found in the ruins reveal about human history.
From demonic possession and cursed homes to battlefield apparitions and ancient pacts with the Devil, history is filled with chilling accounts of supernatural forces said to be working against humanity.
According to the Greek philosopher Plato, the lost continent of Atlantis was once home to an advanced civilization before it was destroyed in a cataclysm; for centuries, archaeologists have tried to uncover evidence to prove that this legend is true.
Africa is the birthplace of humanity and remains one of the most mysterious continents on Earth.
Throughout history, catastrophic disasters have reshaped civilizations -- yet some events defy all scientific expectations.
Dreams have inspired humanity for thousands of years and in all this time, we have yet to answer one fundamental question: What is the purpose of dreams? From nightmares linked to unexplained deaths and more.
Throughout history, humans have buried their dead in caves or chambers, in pyramids or in some form of a tomb; ancient tombs were visual memorials for the dead; in China, a vast necropolis was constructed as a way to connect to the afterlife.
Whether it's called intuition, clairvoyance, or extrasensory perception, this elusive ``sixth sense`` defies explanation; can scientists find the secret to unlocking these remarkable gifts?
All over the world stand ancient structures so massive, precise, and baffling that they seem impossible for not just their time, but ours as well.
Every year, thousands of people report looking up at the sky and witnessing unidentified flying objects; a vast majority of these strange incidents take place in the same locations on Earth.
From the ancient Babylonians to modern-day urban explorers, mankind has always been fascinated by abandoned places; discovering the allure that draws people to post-apocalyptic landscapes.
Deadly forests, haunted houses, and mountains where visitors never return alive; a look at what constitutes an evil place and whether these locations are imbued with dark energy that is currently beyond understanding.
Whether it's called intuition, clairvoyance, or extrasensory perception, this elusive ``sixth sense`` defies explanation; can scientists find the secret to unlocking these remarkable gifts?
Stories of unidentified creatures living deep beneath the surface of oceans and lakes include sightings of giant sharks, prehistoric serpents, and even razor-toothed mermaids.
King Arthur, England's first pop culture superhero; his exploits inspired blockbuster movies and television series like ``Middle Earth``, ``Harry Potter``, ``Game of Thrones`` and ``Star Wars``; the significant impact of Arthurian legend on Western culture.
Probing the Windsor Hum and Old Faithful; visiting a Venezuelan lake where lightning rains down 300 nights a year; sizing up the massive underground fire that's been burning in Centralia, Pa., since 1962.
Ancient practices such as prayer, blood sports, voodoo and exorcism are often thought to be relics of bygone superstition but there is evidence they have an impact on the physical world.
Millions of people around the world claim to have had an encounter with a creature unlike any recognized by mainstream science such as the Mothman, Chupacabra, and Mongolian Death Worm.
Dracula, Lycaon of Arcadia, the Beast of Gévaudan; these are the names of grotesque monsters who have reared their terrifying heads throughout history, unearthly creatures that thrived on human blood and flesh.
To what extent have spies altered the course of world events, what tools do they utilize to carry out their missions, and how do these agents of deception hide in plain sight?
Bizarre, mysterious tales ran rampant and are still being told to this day; are these strange tales of the American frontier simply legend, or was the west far stranger than one could possibly imagine?
Throughout history, there have been men of science who pushed the boundaries of experimentation to the edge of madness.
To what extent have spies altered the course of world events, what tools do they utilize to carry out their missions, and how do these agents of deception hide in plain sight?
For thousands of years, mankind has been fascinated by the idea of creating mechanical servants to make our lives easier.
Islands riddled with dark histories, unspeakable tragedy and the belief by locals that they are cursed.
Exploring the physical objects in museums and churches around the world that many believe are genuine holy relics from the Bible.
While modern science has stopped many dangerous viruses and bacteria in their tracks, there is a concern that contagious germs could be traveling through the vacuum of space.
People go missing every day, but throughout history, there have been strange and eerie disappearances that continue to capture the world's attention.
During The Golden Age of Piracy, thousands of buccaneers terrorized the high seas and became legends; their exploits spawned stories of larger-than-life characters, billion dollar heists, and buried treasure that to this day, has never been found.
Uncover impostors' most daring secrets. Learn how Ferdinand Demara impersonated a naval surgeon despite having no medical credentials, meet a devious faux Rockefeller, and discover why Billy Tipton hid her real identity for a chance at a jazz career.
Whether the ancients had scientific knowledge lost to time; how and why they fashioned remarkable feats of engineering.
A dog that can detect cancer faster than doctors can do it by using sophisticated equipment; a horse that can read minds; birds that can sense disaster days before it happens.
Since the dawn of humanity, tales of monstrous creatures lurking in the shadows have sparked both fascination and fear; discussing the potential that these stories have elements of reality to them.
There are many puzzling artifacts from around the world that challenge everything known about the technological capabilities of distant ancestors; some ancient objects are so mysterious they've spawned endless debate and theories.
From mysterious wounds that appear for no apparent reason, to a peculiar madness that compels people to dance themselves to death; looking at bizarre afflictions.
Humanity has launched satellites into outer space and submarines to the ocean floor, but the ground below Earth's surface remains shrouded in mystery.
A look at how some people live through the impossible such as plane crashes, freezing temperatures, or performing superhuman feats while in danger; remarkable tales of human survival force others to reconsider what is known about the will to live.
All over the world, there are places and objects that are thought to be cursed; many people avoid these locations and things, believing they will bring harm, while others think that curses are nothing more than superstition and folklore.
Throughout history and across the globe, there have been many sacred relics believed to be imbued with mystical powers.
Every year, thousands of people report looking up at the sky and witnessing unidentified flying objects; a vast majority of these strange incidents take place in the same locations on Earth.
Around the world, people have claimed to have seen bizarre creatures that can only be described as monsters or beasts.
The world is full of stunning displays of natural phenomena that are so spectacular and, at times, so strange they defy conventional wisdom; examining if science can explain these mysteries.
Many people are afraid of walking into a cursed place or touching a reportedly cursed object; they look at whether curses are real and how they are brought into existence.
Whether ancient burial practices, like graves, tombs and cremations, can preserve the soul for eternity or bring the dead back to life.
Through records in historical texts, oral tradition and folklore, exploring how a once-thriving community becomes a lost city; what secrets found in the ruins reveal about human history.
All over the world, there are giant monoliths that ancient ancestors carved out of solid rock.
Examining if modern technology and scientific knowledge can help protect people from almost anything, including natural disasters, or if vulnerability remains a factor.
The American frontier is full of legends of cowboys, Native Americans and outlaws; but there are also many eerie stories of cursed mountains, monsters and even UFOs.
The Founding Fathers established the pillars of freedom and democracy in the United States; more than two centuries after their bold vision came to life, new information has emerged about the agendas and secrets of these important historical figures.
All over the world are forbidden triangles that are mysterious regions where ships, planes and people enter and then just disappear; they are found in Bermuda, Alaska, Japan and elsewhere.
Whether legends of vast, lost treasures hidden throughout the U.S. are real or tall tales.
For centuries, fantastic tales of terrifying monsters have fascinated mankind; bizarre beasts of all shapes and sizes have been portrayed in some of history's most classic stories and folklore.
Scientists are involved in a never-ending quest to understand the vast universe the planet inhabits; it seems that for each answer science provides, even more questions arise.
The question of the identity of Jack the Ripper has baffled police investigators, historians, and armchair detectives for over a century, even with media offering its own unique take on the killer's identity.
Whether the ancients had scientific knowledge lost to time; how and why they fashioned remarkable feats of engineering.
King Arthur, England's first pop culture superhero; his exploits inspired blockbuster movies and television series like ``Middle Earth``, ``Harry Potter``, ``Game of Thrones`` and ``Star Wars``; the significant impact of Arthurian legend on Western culture.
Humans can survive catastrophic injuries and deadly scenarios that defy the odds in ways that are inexplicable; these survivals challenge the best attempts to explain how anyone could live through such circumstances.
More than 7 billion people live on Earth; human civilizations span the globe; although many around the globe believe that the divine hand of God placed humans on Earth, others question whether there were ever other kinds of human-like creatures.
Whether surviving freezing temperatures, diving unfathomable depths in one breath, or lifting weighty objects, superhuman feats never cease to amaze; pulling them off could be a matter of training, willpower, genetics, or something more mysterious.
All over the world, there are places and objects that are thought to be cursed; many people avoid these locations and things, believing they will bring harm, while others think that curses are nothing more than superstition and folklore.
Throughout history, humans have buried their dead in caves or chambers, in pyramids or in some form of a tomb; ancient tombs were visual memorials for the dead; in China, a vast necropolis was constructed as a way to connect to the afterlife.
The animal kingdom is full of deadly predators, and some of them attack in extraordinary and inexplicable ways; some animals strike back at humans for reasons beyond normal defense and hunger.
Examining various events that are said to have been directed by the hand of the Almighty, such as the Great Flood, the Plagues of Egypt, Sodom and Gomorrah, and Moses parting the Red Sea.
From the ancient Babylonians to modern-day urban explorers, mankind has always been fascinated by abandoned places; discovering the allure that draws people to post-apocalyptic landscapes.
More than 80% of the Earth's oceans remain unexplored, and in many ways, the underwater world is the final frontier; as new technology allows people to explore oceans and deep lakes more than ever before, nobody knows what they will find.
Some archeological finds are so baffling, they challenge what is known about the past; learning the truth about these mysterious ruins and answering the questions they continue to present.
Genius is widely considered to be the ability to change the world in an incredible way, like inventing new technology, deciphering the mysteries of the universe, or creating transcendent art, but its origin is a mystery.
As a new era of exploration of the Red Planet begins, the Red Planet's mysteries might be close to getting solved; ancient cataclysms are believed to have left Mars barren, but science continues to find clues that this red planet was once blue.
The possibility of bones holding sacred power after death.
Sacred waters with remarkable healing powers; ancient mystics who lived for hundreds of years; a scientific breakthrough may provide the answers to eternal life.
Since the dawn of civilization, humanity has been fixated on predicting our own demise.
Throughout history, many have sought the lost Ark of the Covenant; according to the Old Testament, God himself instructed Moses to build the Ark and it is believed that it held the power of the Almighty.
For thousands of years, people have believed in the existence of Satan, the embodiment of evil; some believe he has the power to possess souls and create mayhem amongst humanity.
Examining what motivates someone to steal.
Experts question whether the moon is just a rock floating in space, or whether it holds profound secrets and perhaps even possesses incredible powers.
Examining some of the most devastating plagues in human history, as well the scientific advances to combat these diseases, including the development of Edward Jenner's vaccine for smallpox in the 1790s.
From lone operatives to agents of powerful regimes, assassins have left a trail of disruption that echoes through time; are assassins merely footnotes in history, or have they steered the destiny of civilization all along?
The contempt for life exhibited by serial killers makes people question their own safety; psychopaths and sadists rarely show regret or empathy for the lives they destroy.
Stories of mysterious disappearances are compelling and confounding; cases of bizarre happenings, such as Flight MH370 and disappearances in the Bermuda Triangle.
For centuries, legends and eyewitness accounts have told of a massive, hairy creature that roams the forest on two legs.
As one of the most valuable and coveted precious metals on the planet, gold's power over mankind harkens back thousands of years.
For centuries, humanity has been compelled to build remarkable structures that are much more than simple places of shelter or work.
According to the Greek philosopher Plato, the lost continent of Atlantis was once home to an advanced civilization before it was destroyed in a cataclysm; for centuries, archaeologists have tried to uncover evidence to prove that this legend is true.
America's monuments are inarguably impressive due to their colossal size and scope, their groundbreaking feats of engineering, and their storied histories, as well as the closely guarded secrets their implacable facades may be hiding.
Examining mankind's fascination with the dead, from ancient civilizations to 20th-century empires, and the possible reasons for that focus.
Many believe it to be the Word of God, but others claim it contains inconsistencies and contradictions that could only be manmade.
Exploring the center of the Earth.
For decades, the debate has raged as to what exactly unidentified flying objects really are; theories have been put forth that attribute UFOs to everything from secret military aircraft to weather phenomena and more.
Throughout history, many have believed that certain places, things, or even people can be tainted with dark curses; ominous lakes that morph into watery graves; paintings and precious stones that bring death and destruction to their keepers.
The five senses: sight, smell, hearing, taste and touch; constructing the reality of the world around us, like a blank canvas continuously painted and repainted every day.
Stories of escape that defy explanation; Harry Houdini pulls off escape acts; an attempted prison break from Alcatraz Federal Penitentiary; one man receives guidance that allows him to escape the South Tower of the World Trade Center on 9/11.
A dog that can detect cancer faster than doctors can do it by using sophisticated equipment; a horse that can read minds; birds that can sense disaster days before it happens.
Dracula, Lycaon of Arcadia, the Beast of Gévaudan; these are the names of grotesque monsters who have reared their terrifying heads throughout history, unearthly creatures that thrived on human blood and flesh.
A miraculous meteorite falling from the heavens and a chunk of sandstone considered so sacred that wars have been fought to protect it; throughout history, many have insisted that simple stones can do everything from choosing a king to causing death.
A house that narrowly dodges the path of a tornado; rain that falls from the sky like blood; lightning that follows into the home.
Many of the world's deadliest cults venture down dark, dangerous rabbit holes of twisted ideologies, with deadly dances, manipulation, mass suicides, and murder.
A look at what could cause once-thriving groups of people to just abandon their great cities, never to return; modern scientific knowledge may be able to help answer the unsolved questions surrounding these lost civilizations.
Can humans predict the future by use of prophets and dreams, if so, can humankind harness this knowledge to avoid future deadly events.
For more than 200 years, treasure hunters have been coming to Oak Island in search of a treasure that has so far eluded them all, and has even cost six men their lives, could it be, as legend suggests, the treasure is protected by a deadly curse.
A look at how some people live through the impossible such as plane crashes, freezing temperatures, or performing superhuman feats while in danger; remarkable tales of human survival force others to reconsider what is known about the will to live.
After centuries of study, the human mind remains inscrutable; examining how the brain can be more powerful than humans realize.
The age old question of what happens after death and the clues to the answer may lie in unusual cases of near-death experience, reincarnation, and how memories can be passed from organ donors to transplant recipients.
Ancient practices such as prayer, blood sports, voodoo and exorcism are often thought to be relics of bygone superstition but there is evidence they have an impact on the physical world.
Probing the Windsor Hum and Old Faithful; visiting a Venezuelan lake where lightning rains down 300 nights a year; sizing up the massive underground fire that's been burning in Centralia, Pa., since 1962.
Millions of people around the world claim to have had an encounter with a creature unlike any recognized by mainstream science such as the Mothman, Chupacabra, and Mongolian Death Worm.
For centuries, archaeologists have tried to unravel the mysteries of how and why certain incredible structures like the Great Pyramid at Giza, the staircase at Loretto Chapel, and Coral Castle were built.
Deadly forests, haunted houses, and mountains where visitors never return alive; a look at what constitutes an evil place and whether these locations are imbued with dark energy that is currently beyond understanding.
A miraculous meteorite falling from the heavens and a chunk of sandstone considered so sacred that wars have been fought to protect it; throughout history, many have insisted that simple stones can do everything from choosing a king to causing death.
People go missing every day, but throughout history, there have been strange and eerie disappearances that continue to capture the world's attention.
From lone operatives to agents of powerful regimes, assassins have left a trail of disruption that echoes through time; are assassins merely footnotes in history, or have they steered the destiny of civilization all along?
Throughout history, governments have carried out top secret projects that defy belief-from experimental aircraft and staged illusions to covert experiments that crossed ethical boundaries.
While modern science has stopped many dangerous viruses and bacteria in their tracks, there is a concern that contagious germs could be traveling through the vacuum of space.
Experts question whether the moon is just a rock floating in space, or whether it holds profound secrets and perhaps even possesses incredible powers.
Around the world, people have claimed to have seen bizarre creatures that can only be described as monsters or beasts.
Sacred waters with remarkable healing powers; ancient mystics who lived for hundreds of years; a scientific breakthrough may provide the answers to eternal life.
Humans can survive catastrophic injuries and deadly scenarios that defy the odds in ways that are inexplicable; these survivals challenge the best attempts to explain how anyone could live through such circumstances.
All over the world stand ancient structures so massive, precise, and baffling that they seem impossible for not just their time, but ours as well; from colossal walls and giant stone tombs to temples carved from solid rock, how did ancient civilizations achieve feats of engineering that still defy modern understanding?
Africa is the birthplace of humanity and remains one of the most mysterious continents on Earth. From lost cities buried beneath shifting sands, to abandoned ruins steeped in fascinating folklore, to the elusive tomb of history's most mighty queen, what secrets lie hidden throughout Africa's vast and unexplored ancient landscape?
Dreams have inspired humanity for thousands of years and in all this time, we have yet to answer one fundamental question: What is the purpose of dreams? From nightmares linked to unexplained deaths and more.
Throughout history, catastrophic disasters have reshaped civilizations -- yet some events defy all scientific expectations.
The age-old question of what happens after death and the clues to the answer may lie in unusual cases of near-death experience, reincarnation, and how memories can be passed from organ donors to transplant recipients.
Many believe it to be the Word of God, but others claim it contains inconsistencies and contradictions that could only be manmade.
Throughout history, many have sought the lost Ark of the Covenant; according to the Old Testament, God himself instructed Moses to build the Ark, and it is believed that it held the power of the Almighty.
Many people are afraid of walking into a cursed place or touching a reportedly cursed object; they look at whether curses are real and how they are brought into existence.
A look at what could cause once-thriving groups of people to just abandon their great cities, never to return; modern scientific knowledge may be able to help answer the unsolved questions surrounding these lost civilizations.
Throughout history, many have believed that certain places, things, or even people can be tainted with dark curses; ominous lakes that morph into watery graves; paintings and precious stones that bring death and destruction to their keepers.
Whether ancient burial practices, like graves, tombs and cremations, can preserve the soul for eternity or bring the dead back to life.
Scientists are involved in a never-ending quest to understand the vast universe the planet inhabits; it seems that for each answer science provides, even more questions arise.
More than 80% of the Earth's oceans remain unexplored, and in many ways, the underwater world is the final frontier; as new technology allows people to explore oceans and deep lakes more than ever before, nobody knows what they will find.
Examining if modern technology and scientific knowledge can help protect people from almost anything, including natural disasters, or if vulnerability remains a factor.
For centuries, humanity has been compelled to build remarkable structures that are much more than simple places of shelter or work.
Dinosaurs have fascinated scientists for nearly two centuries, and in all that time, we have yet to answer even the most basic questions about how these animals lived, how they died, and what became of them. From an extinction event whose cause scientists to actively debate, to ancient dragon legends some researchers trace directly to fossil discoveries, to genetic technologies now being used to bring extinct creatures back to life.
The contempt for life exhibited by serial killers makes people question their own safety; psychopaths and sadists rarely show regret or empathy for the lives they destroy.
Examining some of the most devastating plagues in human history, as well the scientific advances to combat these diseases, including the development of Edward Jenner's vaccine for smallpox in the 1790s.
Islands riddled with dark histories, unspeakable tragedy and the belief by locals that they are cursed.
For thousands of years, mankind has been fascinated by the idea of creating mechanical servants to make our lives easier.
Can humans predict the future by use of prophets and dreams, if so, can humankind harness this knowledge to avoid future deadly events.
All over the world are forbidden triangles that are mysterious regions where ships, planes and people enter and then just disappear; they are found in Bermuda, Alaska, Japan and elsewhere.
Genius is widely considered to be the ability to change the world in an incredible way, like inventing new technology, deciphering the mysteries of the universe, or creating transcendent art, but its origin is a mystery.
Exploring the center of the Earth.
An exploration of strange and inexplicable mysteries; contributions from scientists, historians and witnesses as they seek to shed light on how the impossible can happen.
Examining what motivates someone to steal.
There are many puzzling artifacts from around the world that challenge everything known about the technological capabilities of distant ancestors; some ancient objects are so mysterious they've spawned endless debate and theories.
Stories of unidentified creatures living deep beneath the surface of oceans and lakes include sightings of giant sharks, prehistoric serpents, and even razor-toothed mermaids.
The question of the identity of Jack the Ripper has baffled police investigators, historians, and armchair detectives for over a century, even with media offering its own unique take on the killer's identity.
Since the dawn of humanity, tales of monstrous creatures lurking in the shadows have sparked both fascination and fear; discussing the potential that these stories have elements of reality to them.
More than 7 billion people live on Earth; human civilizations span the globe; although many around the globe believe that the divine hand of God placed humans on Earth, others question whether there were ever other kinds of human-like creatures.
For centuries, certain objects have been deemed to heal the sick, summon spirits, legitimize kings, curse their owners, and even alter the fate of nations. Do these artifacts truly possess supernatural power, or is their force created by human belief?
