In Search Of Aliens: The Alien Code; sezona 1, epizoda 10

All around the world are examples of physical evidence suggesting humans are not alone in the universe, but has this evidence been left behind for a purpose? Is it a series of clues we are meant to decipher? Giorgio A Tsoukalos investigates.

Abandoned Engineering: The Italian Dam Disaster; sezona 2, epizoda 5

An abandoned concrete wall. Five strange deserted structures. A lost escape route from nuclear Armageddon. A submerged link to D-day. Who built them? And why were they abandoned?

The Universe: Ancient Mysteries Solved: The Eye of God; sezona 2, epizoda 2

An exploration of the shapes and patterns seen when observing planets and galaxies, and how the form of the universe itself was created.

Ancient Aliens: Aliens and Evil Places; sezona 3, epizoda 10

For thousands of years, there have been places around the world considered dangerous to humans. Could there be evidence that past extraterrestrial activity led to the negative energy in Earth's evil places?

Monsterquest: Gators in the Sewers; sezona 3, epizoda 5

In the 1930s, live alligators were discovered in New York City sewers, fueling legends. Despite eradication efforts, the stories endured. MonsterQuest investigates, searching for evidence to prove the existence and thriving of these monsters.

Monsterquest: Snowbeast Slaughter; sezona 3, epizoda 6

In Colorado's Rocky Mountains, a terrifying creature hunts elk and frightens residents. Centuries-old stories describe encounters with a screaming beast. MonsterQuest investigates, searching for evidence of the legendary Snowbeast on Pikes Peak.

Chasing Mummies: Cursed; sezona 1, epizoda 9

Zahi wants to see if the long-forgotten Falcon Galleries can be restored as a new tourist destination. Inside, not only are there thousands of mummified birds, but deadly snakes and scorpions, too!

Ancient Discoveries: Ancient Tank Tech; sezona 3, epizoda 5

What exactly was this ancient weapon that destroyed enemy heavy infantry, elephants and cavalry? Watch as experts and archaeological digs reveal new evidence into this invention, which will be reconstructed.

In Search Of Aliens: The Alien Code; sezona 1, epizoda 10

All around the world are examples of physical evidence suggesting humans are not alone in the universe, but has this evidence been left behind for a purpose? Is it a series of clues we are meant to decipher? Giorgio A Tsoukalos investigates.

Abandoned Engineering: The Italian Dam Disaster; sezona 2, epizoda 5

An abandoned concrete wall. Five strange deserted structures. A lost escape route from nuclear Armageddon. A submerged link to D-day. Who built them? And why were they abandoned?

The Universe: Ancient Mysteries Solved: The Eye of God; sezona 2, epizoda 2

An exploration of the shapes and patterns seen when observing planets and galaxies, and how the form of the universe itself was created.

Ancient Aliens: Aliens and Evil Places; sezona 3, epizoda 10

For thousands of years, there have been places around the world considered dangerous to humans. Could there be evidence that past extraterrestrial activity led to the negative energy in Earth's evil places?

Monsterquest: Gators in the Sewers; sezona 3, epizoda 5

In the 1930s, live alligators were discovered in New York City sewers, fueling legends. Despite eradication efforts, the stories endured. MonsterQuest investigates, searching for evidence to prove the existence and thriving of these monsters.

Monsterquest: Snowbeast Slaughter; sezona 3, epizoda 6

In Colorado's Rocky Mountains, a terrifying creature hunts elk and frightens residents. Centuries-old stories describe encounters with a screaming beast. MonsterQuest investigates, searching for evidence of the legendary Snowbeast on Pikes Peak.

Chasing Mummies: Cursed; sezona 1, epizoda 9

Zahi wants to see if the long-forgotten Falcon Galleries can be restored as a new tourist destination. Inside, not only are there thousands of mummified birds, but deadly snakes and scorpions, too!

Lost Relics of The Knights Templar: Reliquary Box; sezona 1, epizoda 5

The series finale focuses on the reliquary casket. Carl and Hamilton know the casket dates to a later period - probably early 15th century. Yet a series of engravings on it - the 'box code' - appears to make veiled references to Templar beliefs.

Sliced: All Terrain; sezona 1, epizoda 15

Millions of people ride off-road vehicles to burn around curves, skim over waves and churn through mud. To find out what they're capable of, John is putting the pedal to the metal on a Jet Ski, an all-terrain vehicle and a racing motorcycle.

Sliced: Electronics; sezona 1, epizoda 16

The average US household has at least 25 electronic devices. But what are the secrets to dazzling images, faster photos and bigger sound? John's slicing up televisions, stereos and cameras, seeking the shocking truths inside.

The Universe: When Space Changed History; sezona 6, epizoda 14

Many times in human history, objects or forces from space have changed the course of life on earth. Many believe an asteroid played a role in the fall of the Roman Empire, and another asteroid might have destroyed Sodom and Gomorrah.

UFO Files: Hangar 18: UFO Warehouse; sezona 1, epizoda 12

Some experts claim that UFO wreckage is stored in a top-secret facility in Dayton, Ohio. Former employees spin a tale of alien bodies and flying saucer debris.

Brad Meltzer's Decoded: Houdini: Murdered?; sezona 2, epizoda 11

Most contend the world's most famous magician died when one of his tricks went fatally wrong, but new evidence suggests that his death may have been no accident.

UFO Hunters: The Silencers; sezona 3, epizoda 9

UFOs are the biggest mystery of our time and somebody - or something - seems determined to keep it that way.

In Search Of Aliens: The Mystery of Nazca; sezona 1, epizoda 9

Giorgio Tsoukalos heads to Peru to investigate whether the strange symbols covering its desert floor are key to proving aliens once visited Earth.

Unidentified: Inside America's UFO Investigation: The UFO Fleet; sezona 1, epizoda 4

Evidence continues to mount and patterns emerge, as a group of former U.S. government insiders seek the truth behind UFOs. A shocking new encounter pulls them to another part of the U.S.A. where two more military eyewitnesses risk their career.

Lost Relics of The Knights Templar: Reliquary Box; sezona 1, epizoda 5

The series finale focuses on the reliquary casket. Carl and Hamilton know the casket dates to a later period - probably early 15th century. Yet a series of engravings on it - the 'box code' - appears to make veiled references to Templar beliefs.

Sliced: All Terrain; sezona 1, epizoda 15

Millions of people ride off-road vehicles to burn around curves, skim over waves and churn through mud. To find out what they're capable of, John is putting the pedal to the metal on a Jet Ski, an all-terrain vehicle and a racing motorcycle.

Sliced: Electronics; sezona 1, epizoda 16

The average US household has at least 25 electronic devices. But what are the secrets to dazzling images, faster photos and bigger sound? John's slicing up televisions, stereos and cameras, seeking the shocking truths inside.

The Universe: When Space Changed History; sezona 6, epizoda 14

Many times in human history, objects or forces from space have changed the course of life on earth. Many believe an asteroid played a role in the fall of the Roman Empire, and another asteroid might have destroyed Sodom and Gomorrah.

UFO Files: Hangar 18: UFO Warehouse; sezona 1, epizoda 12

Some experts claim that UFO wreckage is stored in a top-secret facility in Dayton, Ohio. Former employees spin a tale of alien bodies and flying saucer debris.

Brad Meltzer's Decoded: Houdini: Murdered?; sezona 2, epizoda 11

Most contend the world's most famous magician died when one of his tricks went fatally wrong, but new evidence suggests that his death may have been no accident.

UFO Hunters: The Silencers; sezona 3, epizoda 9

UFOs are the biggest mystery of our time and somebody - or something - seems determined to keep it that way.

In Search Of Aliens: The Mystery of Nazca; sezona 1, epizoda 9

Giorgio Tsoukalos heads to Peru to investigate whether the strange symbols covering its desert floor are key to proving aliens once visited Earth.

Unidentified: Inside America's UFO Investigation: The UFO Fleet; sezona 1, epizoda 4

Evidence continues to mount and patterns emerge, as a group of former U.S. government insiders seek the truth behind UFOs. A shocking new encounter pulls them to another part of the U.S.A. where two more military eyewitnesses risk their career.

Lost Relics of The Knights Templar: Reliquary Box; sezona 1, epizoda 5

The series finale focuses on the reliquary casket. Carl and Hamilton know the casket dates to a later period - probably early 15th century. Yet a series of engravings on it - the 'box code' - appears to make veiled references to Templar beliefs.