Siberian Hell Pit

March 7, 2017

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What on Earth? - S3 - E16

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A massive chasm in a Siberian forest may be a gate to the underworld.

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What on Earth?: Season 3 - 20 Episode s

3x1 - Grand Canyon Treasure
November 15, 2016
Strange spots near the Grand Canyon may hold clues to the legendary treasure of a notorious bandit. Satellite images could explain desert ruins rumored to be an entrance to an underworld. A city-size chunk of ice suddenly disappears in Antarctica.
3x2 - Mystery in the Outback
November 22, 2016
A giant carving of a strange creature suddenly appears in the Australian Outback. Mysterious bright green lights illuminate the seas around Thailand. Top secret activity is discovered at Iran's nuclear facility.
3x3 - Riddle in the Ruins
November 29, 2016
Strange black holes appear near Egypt's ancient pyramids, and new evidence points to a disturbing conclusion. Ruins in Peru suggests that the Inca people knew far more than previously thought. A mysterious red swarm invades a beach in India.
3x4 - Stonehenge of the Holy Land
December 6, 2016
Legends of ancient giants surround a mysterious monument in the Holy Land. A bright pink lake could point to a strange, undiscovered new species. When a young boy disappears in a sand dune, satellite images help with the investigation.
3x5 - Did We Find Flight 370?
December 13, 2016
Investigators find a new clue about the missing Malaysia Airlines flight that disappeared in 2014. An astronaut spots something strange in the Sahara Desert. A mysterious orange sludge invades a remote village in Alaska.
3x6 - Gateway to Eden
December 20, 2016
A buried monument offers new evidence about one of the Bible's greatest mysteries. A giant shadow engulfs the Pacific Ocean. Scientists have trouble explaining a strange lake that's shaped like a perfect circle, and is home to otherworldly life.
3x7 - Dagger of Tutankhamun
January 3, 2017
A dagger sealed in King Tut's tomb for more than 3,000 years is made of a metal that seems to have extraterrestrial origins. A massive swastika is found in the desert near Roswell, NM. Satellites hunt for the world's most wanted man, Joseph Kony.
3x8 - Raiders of the Holy Lance
January 10, 2017
A heavily armored force takes over one of Syria's most ancient archaeology sites, prompting fears that its relics are being stolen. Tanks appear to be facing off in Antarctica next to an unworldly object. A water reservoir in LA suddenly turns black.
3x9 - The Swastika Conspiracy
January 17, 2017
A sinister giant swastika appears in a forest in Germany. A strange pattern is etched into the desert near the famous Nazca lines, but archaeologists don't know who put it there. Mysterious markings are spotted in an isolated corner of Antarctica.
3x10 - Inside El Chapo's Escape
January 24, 2017
Satellite images reveal how El Chapo escaped from a high security prison in Mexico. Mysterious patterns in the Australian outback and the Kalahari Desert spark a major scientific investigation. A giant black stain appears in a war-torn area of Iraq.
3x11 - Ghost of Zorro
January 31, 2017
A giant letter Z is carved into a Mexican hillside, evoking the mark of a legendary outlaw. A strange sighting in Germany points to secrets from the Cold War. Massive, blood-red marks in China prompt fears of a violent government crackdown.
3x12 - Curse of the Sea Monster
February 7, 2017
A strange mass breaches surface of an ocean near Antarctica, sparking rumors of a mythological sea monster. An area of the US-Mexico border becomes an international mystery. Ancient rock carvings depict weird, unearthly beings.
3x13 - Strange Symbols in the Desert
February 14, 2017
An amateur archaeologist stumbles open strange symbols scratched into the Kazakhstan Desert; CIA surveillance photographs show what looks like a giant Star of David on the island of Cuba; and a lake in the Brazilian rain forest that turned bright pink.
3x14 - Bloody Secret Of The Lost City
February 21, 2017
A vast structure near the legendary city of Petra points to a bloody past.
3x15 - Lost Empire Of The Amazon
February 28, 2017
New evidence could lead to the discovery of an ancient civilization.
3x16 - Siberian Hell Pit
March 7, 2017
A massive chasm in a Siberian forest may be a gate to the underworld.
3x17 - Hunt for El Dorado
March 14, 2017
Strange images from Colombia could lead researchers to a legendary city.
3x18 - Mystery of the Mummy Desert
March 21, 2017
Strange images could explain mysterious mummies found in a desert.
3x19 - Forbidden Cities of the Maya
March 28, 2017
A young boy uses satellite images to uncover lost cities of the Maya.
3x20 - The Curse of Merlin
April 4, 2017
A strange arrangement of stones may be connected to a mythical wizard.

Siberian Hell Pit

What on Earth? - S3 - E16

What on Earth?: Season 3 - 20 Episode s

3x1 - Grand Canyon Treasure

3x2 - Mystery in the Outback

3x3 - Riddle in the Ruins

3x4 - Stonehenge of the Holy Land

3x5 - Did We Find Flight 370?

3x6 - Gateway to Eden

3x7 - Dagger of Tutankhamun

3x8 - Raiders of the Holy Lance

3x9 - The Swastika Conspiracy

3x10 - Inside El Chapo's Escape

3x11 - Ghost of Zorro

3x12 - Curse of the Sea Monster

3x13 - Strange Symbols in the Desert

3x14 - Bloody Secret Of The Lost City

3x15 - Lost Empire Of The Amazon

3x16 - Siberian Hell Pit

3x17 - Hunt for El Dorado

3x18 - Mystery of the Mummy Desert

3x19 - Forbidden Cities of the Maya

3x20 - The Curse of Merlin

What on Earth?: All seasons

S0: Specials

S1: Season 1

S2: Season 2

S3: Season 3

S4: Season 4

S5: Season 5

S6: Season 6

S7: Season 7

S8: Season 8

S9: Season 9

S10: Season 10

S11: Season 11

S12: Season 12