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When a perfect triangle is found in the middle of a unpopulated portion of Australia, experts begin to wonder whether or not the design is man made.
03:57
What on Earth?
Strange Australian Triangle
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Satellite photos show a strange circle beneath the ice of an ancient lake. Further analysis shows that these mysterious rings appear each year. What are they?
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What on Earth?
Intriguing Ice Circle
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A satellite captures an image that uncovers the entrance to an underground complex. What is being built there?
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What on Earth?
Chinese Underground Lair
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Scientists are baffled when a seemingly huge tsunami headed straight for Hong Kong suddenly disappears in the water.
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What on Earth?
Huge Tsunami or Marine Weapon?
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Sandy Island seems to have disappeared, and scientists aren't quite sure why. Was there some sort of elaborate government experiment?
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What on Earth?
Missing Island
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Satellite images capture a distinct glowing object beneath the ocean's surface.
03:18
What on Earth?
Mysterious Underwater Glow
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Satellite images reveal a strange hole in Antarctica. After scientists rule out whirlpools and sinkholes, they have to look back in time to find the answer.
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What on Earth?
Ghost Lakes in Antarctica
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A commercial satellite imager spots something strange in the middle of a vast desert. It looks like an airport runway, but there are no planes. No government claims ownership of this strange place.
03:01
What on Earth?
Secret Drone Hangar Discovered in Saudi Arabia
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Satellite images reveal enormous spirals in Peru. Some researchers say they are too perfect and too huge to be man made.
00:45
What on Earth?
Strange Spirals in Peru
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Ghost lakes have existed for millions of years, but they just recently started showing themselves. Geophysicist Helen Fricker explains how scientists are moving forward with this discovery.
01:26
What on Earth?
Discovering Ghost Lakes
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For years the hottest place on Earth ever recorded was a city in Libya. When researchers took a second look at this information, they realized the measurement was wrong.
01:27
What on Earth?
The Hottest Place on Earth
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When you think of deserts, you don't typically think of bright, jewel tones. Why are these massive pools of color here?
02:04
What on Earth?
Why is this Desert so Colorful?
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Who drew this over 2 mile long humanoid figure into the Australian terrain?
02:12
What on Earth?
This Humanoid Drawing can be Seen From Space
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Satellite images revealed hundreds of black holes in the middle of the desert near ancient burial grounds. Is grave robbing still a thing in modern day or were these holes caused by something else?
00:46
What on Earth?
Black Holes in Egypt
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Satellites spotted a strange, long streak across the desert in Bolivia. At first, scientists thought it may be a skid mark from a meteor.
02:09
What on Earth?
Train Graveyard in Bolivia
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This isn’t an optical illusion. This lake on Middle Island is actually pink! You can thank the algae in the lake for the gorgeous color.
03:12
What on Earth?
This Lake is Bright Pink
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When scientists examined satellite photos from the Bermuda Triangle, they were surprised to find hexagonal clouds. These clouds are eerily similar to a phenomenon seen on the other side of the world.
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What on Earth?
What Can Hexagonal Clouds Tell Us About the Bermuda Triangle?
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This isn’t an optical illusion. This lake on Middle Island is actually pink! You can thank the algae in the lake for the gorgeous color.
03:12
What on Earth?
This Lake is Bright Pink
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If it's not a whirlpool, what is it? It's 100 miles long!
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What is this Giant Glowing Vortex?
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Meteorologists were stunned when a strange storm became randomly enormous. Turns out it wasn’t a storm.
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A Colony of Bats Tricked Meteorologists
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An eerie green vortex of death swirls in the Baltic sea.
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Baltic Vortex of Death
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Nicknamed The Wheel of Giants, this gigantic stone pattern baffled archaeologists. There are conflicting theories as to what it was used for.
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What on Earth?
What Is This 500 Ft Stone Pattern?
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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.
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What on Earth?
Caspian Sea Monster
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A deadly plague eats away at a Rhode Island forest.
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What on Earth?
The Insect Destroyer
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Lake Loughareema was there one moment, and gone the next. This mystery is still unsolved.
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What on Earth?
A Lake in Ireland Mysteriously Disappeared
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Experts investigate an eye shaped lake containing a mysterious floating island.
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What on Earth?
Argentinian Floating Island
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In 2010, a satellite above Russia spots 108 perfectly formed, varying sized circles on ice. What On Earth are they?
03:08
What on Earth?
Satellites Spot 108 Circles on the Ice
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Experts question the purpose of an artificially created island constructed by the military.
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What on Earth?
Operation Delerium
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In particularly cold areas, freak atmospheric conditions can create perfect circles of ice. They’re absolutely stunning!
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What on Earth?
This is How Nature Produces Perfect Circles of Ice
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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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Tourists and explorers have reported magnetic interferences with their compasses and electronics around Lake Lonar
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What on Earth?
This Lake Creates Magnetic Disturbances
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You can thank a meteorite that crashed into Earth thousands of years ago.
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What on Earth?
Organisms in Lake Lonar are Magnetically Charged
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