What on Earth?
A strange structure shaped like a giant shark; something unexpected in eye of hurricane.
A strange structure shaped like a giant shark; something unexpected in eye of hurricane.
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A lost city near Jerusalem might have been the home of Goliath; bizarre underwater formations.
A lake in Transylvania is home of a terrifying secret; a labyrinth is discovered on a Greek island.
A forbidden island that was the home of Adolf Hitler; sunken continent in the Indian Ocean.
Home of an undiscovered Hobbit-like humanoid species; government experiments into psycho warfare.
Ghost town emerges from a lake in Argentina; scientists explore a lost jungle; giant Soviet weapon.
A strange structure shaped like a giant shark; something unexpected in eye of hurricane.
Strange mounds in Transylvania might lead to the tomb of the inspiration for Dracula.
Experts discuss the many possible ways that could spark the beginning of the end for the universe.
A team of experts investigates extra-terrestrial beings and their threat to human life.
More than 100 million pieces of small space debris are floating around the Earth.
When a massive star dies, it can direct a blast of radiation that could obliterate all life.
Millions of black holes exist and some of them have the potential to be lethal to earth.
Earth is hit by 100 tons of rock from space every day; most burn up in the atmosphere.
Discovering how two space events demonstrate the continuing societal setbacks on Earth.
The Moon Landing's 50th Anniversary with Astronauts at the Explorer's Club.
The story of the Apollo 11 moon landing is told with footage not seen anywhere else.
The story of the Apollo 11 moon landing is told with footage not seen anywhere else.
Experts investigate the moon's waving flag, the trail leading to some of Hollywood's biggest names.
Experts investigate the moon's waving flag, the trail leading to some of Hollywood's biggest names.
Investigating if American espionage during the Apollo program can provide evidence of a conspiracy.
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