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Private Notes
Investigating whether Easter Island's 80 ton statues were created by the Rapa Nui natives or aliens.
Experts discuss the mystery of Oak Island.
Witnesses in Ohio, Michigan, and Pennsylvania saw a UFO streak through the sky in 1965 eventually landing or crashing in Kecksburg.
What happened to the Anasazi people?
Cave paintings found in France that depict the use of plants for medicinal purposes date back to 25,000 BC.
Examining whether Custer's Last Stand resulted from a military blunder or a political conspiracy.
Studying the intelligence of dolphins and whether their noises are a form of communication.
Investigating whether ancient prophets really had the ability to foretell the future.
Some experts say an asteroid impact doomsday scenario is science fiction while others think it's only a question of when, and whether Earth and humanity could survive.
Examining the chances of life on Mars and photographic evidence of what appear to be manmade structures.
For centuries ships and aircraft have vanished without a trace in the area known as the Bermuda Triangle. Many theories are discussed.
Probing whether Bigfoot exists with an eyewitness account and scientific analysis of footprints.
Investigating global warming and possible human manipulation.
Investigating why RMS Titanic sank with the loss of more than 1,500 lives April 14, 1912, including a rumor involving a pre-World War I German U-boat.
