What on Earth?
More from this Show
Experts Investigate a mysterious formation in the Antartic ice.
02:56
What on Earth?
Antartic Glacier
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Experts investigate mysterious formations on a Mediteranian Island.
02:54
What on Earth?
Thumbprint Island
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New data from NASA satellites reveal a sunken lost continent in the Indian Ocean.
02:56
What on Earth?
The Sunken Continent
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A forbidden island points to a strange South American town that locals claim was the home of Adolf Hitler.
02:29
What on Earth?
Hunt for Hitler
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Experts investigate an eye shaped lake containing a mysterious floating island.
03:01
What on Earth?
Argentinian Floating Island
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Experts question the purpose of an artificially created island constructed by the military.
02:47
What on Earth?
Operation Delerium
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A deadly plague eats away at a Rhode Island forest.
03:00
What on Earth?
The Insect Destroyer
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At the height of the cold war, the CIA is confounded by a powerful new weapon dubbed the Caspian Sea Monster.
02:45
What on Earth?
Caspian Sea Monster
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An eerie green vortex of death swirls in the Baltic sea.
02:53
What on Earth?
Baltic Vortex of Death
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Experts investigate a river surrounded by death.
02:16
What on Earth?
River of Blood
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Experts investigate a seemingly alien lake, that may reveal secrets about Martian life.
02:54
What on Earth?
A Martian Lake in Canada
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A lightning bolt scars the Australian outback.
02:38
What on Earth?
The Legend of the Mega-Lightning Bolt
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A ghost ship appears on a California beach.
03:07
What on Earth?
Ship of Sin
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The search for Nazi treasure leads to a secret underground bunker.
03:01
What on Earth?
Search for Nazi Treasure
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A military satellite witnesses the disappearance of a Russian airliner over an ISIS danger zone.
02:59
What on Earth?
Terror in the Skies
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Investigators uncover an ancient forge from the dark ages.
03:00
What on Earth?
A Cumbrian Conundrum
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Investigators uncover an ancient forge from the dark ages.
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What on Earth?
A Cumbrian Conundrum
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There are signs of life in the eye of demonic hurricane.
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What on Earth?
Hurricane From Hell
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This romantic road carved into a sheer rock face in the Rhone Valley in France was an engineering marvel that was once a wild success. What caused it to be abandoned today?
01:27
Mysteries of the Abandoned
The Grand Goulets: A Dangerously Beautiful Road
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Built in the 1940’s the Goat Canyon Trestle Bridge was the tallest wooden railway system in the world.
01:54
Mysteries of the Abandoned
Meet the Most Dangerous Wooden Railroad
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Two miles inside a mountain in Croatia lies the remains of a massive, secret Cold War airbase built to withstand a nuclear war.
00:56
Mysteries of the Abandoned
Inside Zeljava Underground Airbase
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Now abandoned, this machine once could scan thousands of kilometers.
02:22
Mysteries of the Abandoned
Virtually Visit a Top Secret Chernobyl Complex
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Explore the mystery behind why a huge gun was built and abandoned.
11:53
Mysteries of the Abandoned
Explore the Harp Supergun
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Hidden in woods outside Moscow is a Cold War weapon that harnessed electricity into a thunderbolt, designed to protect the city.
01:01
Mysteries of the Abandoned
The Lightning Bolt Weapon
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In the east China sea, there is an abandoned piece of land. Check out why this island represents one of the greatest engineering achievements of the 20th century.
16:36
Mysteries of the Abandoned
Why is This Island Abandoned?
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Located in California, Plank Road is one of the most extraordinary engineering achievements of the early 20th century.
02:39
Mysteries of the Abandoned
Virtually Drive Across the Famous Plank Road
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Philip Grossman finds firefighting gear under a hospital in Chernobyl, sending his Geiger counter climbing. He believes burying the gear was the Soviet’s attempt to hide the scope of the disaster.
02:21
Mysteries of the Abandoned
Cover Up in the Hospital
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Philip Grossman goes inside the plant near the massive radio tower he finds maps of the U.S and pictures of mushroom clouds. Was the Duga for protecting Chernobyl from incoming missiles or part of a nuclear offensive?
03:40
Mysteries of the Abandoned
The Duga - Entwined with Chernobyl's Fate
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Survivors who worked at nearby factory report production areas they weren’t allowed to visit. Philip visits and finds the basement full of lab after lab of gas masks, radioactive testing materials and sand.
02:19
Mysteries of the Abandoned
The Jupiter Factory's Hidden Laboratories
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What would receiving a message from an alien civilization tell us about human evolution, and about surviving the most serious problems facing our planet?
01:35
Alien Encounters
Humanity's Evolutionary Outcome
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Author Nick Sagan hasn't seen his godfather, Frank Drake, in over 30 years. We capture their reunion - and find out how Drake became friends with Nick's famous father, Carl Sagan, in this exclusive clip.
02:31
Alien Encounters
Frank Drake and Nick Sagan Meet Again
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Since the 1960s, NASA has been keeping an eye on man-made objects in space. Here, engineers are replicating the devastating impact of space debris. 'Alien Encounters' airs Tuesdays at 10/9c.
02:08
Alien Encounters
The Effects of Space Trash Can Be Devastating... and Deadly
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