Forbidden City of Inca Gold

February 27, 2018

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What on Earth? - S4 - E18

Treasure hunters have searched for a lost Incan city of untold wealth for a century, but new technology might finally locate its riches; a strange mountain in Egypt sparks an investigation into Cleopatra's gems and the tomb of Alexander the Great.

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What on Earth?: Season 4 - 20 Episode s

4x1 - Dracula's Tomb
October 17, 2017
Strange mounds in Transylvania might pinpoint the location of the tomb of the bloodthirsty tyrant believed to have inspired Dracula. A mysterious ancient city is discovered on a coral reef. Images of a plane crash sets off a hunt for a drug lord.
4x2 - Fountain of Youth Found?
October 24, 2017
A strange structure shaped like a giant shark might point the way to a lost civilization's Fountain of Youth. A massive hurricane heads toward Florida but something unexpected is in its eye. Bizarre marks across the eastern US leave experts baffled.
4x3 - Mafia Ghost Ship
October 31, 2017
A ghost ship with links to the mob suddenly appears on a California beach; strange markings could be a coded message that reveals a plot to overthrow the Queen of England; a lake believed to have magical healing powers holds clues to life on Mars.
4x4 - Beasts of the Lost Jungle
November 7, 2017
A ghost town covered in a strange, white power emerges from a lake in Argentina; upon the discovery of a lost jungle in Africa, scientists embark on a dangerous mission to explore it; a declassified CIA image uncovers a bizarre, giant Soviet weapon.
4x5 - Mystery of Fang Forest
November 14, 2017
A strange forest of razor-shape stones could be home to an undiscovered Hobbit-like humanoid species; when a man-made island mysteriously appears off the US coast, new evidence points to secret government experiments into psycho-chemical warfare.
4x6 - Village of the Damned
November 21, 2017
A forbidden island points to a strange South American town that locals claim was the home of Adolf Hitler. New data from NASA satellites might reveal a sunken lost continent in the Indian Ocean. A pit of bodies suggests fears of a zombie nightmare.
4x7 - The Minotaur's Lair
November 28, 2017
A strange lake in Transylvania is the home of an abandoned village and a terrifying secret. When an labyrinth is discovered on an island once home to an ancient Greek civilization, experts investigate if it was the legendary home of the Minotaur.
4x8 - Lost City Of Goliath
December 5, 2017
A lost city near Jerusalem might have been the home of Goliath; bizarre underwater formations might point to a top-secret US weapons testing facility; a strange sighting in the Arctic could be a lost Nazi relic.
4x9 - Finding King Arthur
December 12, 2017
An abandoned megacity in a remote jungle might be the home of an ancient treasure and a dark secret; when a mysterious circular stone structure is discovered in Scotland, experts investigate whether it's the fabled Round Table of King Arthur.
4x10 - Treasures Of Valhalla
December 19, 2017
Evidence of human sacrifice for the Viking god Odin; shedding new light on Genghis Khan.
4x11 - Hitler's Lost Gold
January 9, 2018
New evidence might finally identify the hiding place of the billion-dollar Nazi gold train; a discovery of a long-lost settlement rewrites the history of the Vikings in North America; a blood-red river in Siberia points to catastrophic pollution.
4x12 - Temple of Blood
January 16, 2018
An ancient man-made volcano might reveal buried treasure and bloody human sacrifice. When NASA discovers a strange pattern in the Arctic ice, experts investigate if it has alien origins. A mystery in the Sahara might have a sinister explanation.
4x13 - North Korea's Forbidden Islands
January 23, 2018
Man-made islands are spotted near a North Korean missile facility. When something unexpected is found in a remote desert, experts investigate a lost city of giants. A strange discovery in Siberia could reveal a mission to the center of the earth.
4x14 - Cannibals in the Ghost City
January 30, 2018
An abandoned city in the African jungle might have a bloody past of malevolent spirits and cannibals. Mount Vesuvius shows signs that it's awakening, and the mafia could be to blame. Experts investigate Hitler's secret Nazi UFO program.
4x15 - Curse of Medusa
February 6, 2018
Experts investigate a glowing lake reported to turn things into stone. A mysterious structure in Africa that resembles Stonehenge is said to be the resting place of a mythical giant. A dark conspiracy could be at work in the Australian outback.
4x16 - Nazi Stonehenge
February 13, 2018
A mysterious Stonehenge-like structure in Russia might have links to the Nazis. Experts uncover clues to a mega-tsunami with the power to devastate the United States. A huge lake appears in the Sahara overnight, and its explanation could be mythical.
4x17 - Hunting the Ark of the Covenant
February 20, 2018
New discoveries lead investigators to a crypt rumored to hold the Ark of the Covenant. When great white shark is killed, experts suspect an mysterious ocean monster. Strange markings in the desert might be a tribute to an ancient spider god.
4x18 - Forbidden City of Inca Gold
February 27, 2018
Treasure hunters have searched for a lost Incan city of untold wealth for a century, but new technology might finally locate its riches; a strange mountain in Egypt sparks an investigation into Cleopatra's gems and the tomb of Alexander the Great.
4x19 - Ghost Ship of Hell Island
March 6, 2018
A ghost ship is found abandoned on a remote island that's home to one of the world's last uncontacted tribes. A strange labyrinth in Sicily might have a sinister connection to the Mafia. New evidence reveals a mysterious military compound in Russia.
4x20 - Mayan Armageddon: The New Evidence
March 13, 2018
New evidence might reveal how the Mayans vanished; when scientists investigate an abandoned settlement, they discover traces of ritualistic drug binges from the ancient world; a mysterious symbol in the desert points to a sex cult of millionaires.

Forbidden City of Inca Gold

What on Earth? - S4 - E18

What on Earth?: Season 4 - 20 Episode s

4x1 - Dracula's Tomb

4x2 - Fountain of Youth Found?

4x3 - Mafia Ghost Ship

4x4 - Beasts of the Lost Jungle

4x5 - Mystery of Fang Forest

4x6 - Village of the Damned

4x7 - The Minotaur's Lair

4x8 - Lost City Of Goliath

4x9 - Finding King Arthur

4x10 - Treasures Of Valhalla

4x11 - Hitler's Lost Gold

4x12 - Temple of Blood

4x13 - North Korea's Forbidden Islands

4x14 - Cannibals in the Ghost City

4x15 - Curse of Medusa

4x16 - Nazi Stonehenge

4x17 - Hunting the Ark of the Covenant

4x18 - Forbidden City of Inca Gold

4x19 - Ghost Ship of Hell Island

4x20 - Mayan Armageddon: The New Evidence

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