In Mexico, dozens of skulls and bones are found on a cave floor. Strange grass covered domes are investigated in the Philippines. Carved stone figures are discovered in Hawaii. In Peru, a tiny silk structure stumps researchers.
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A strange forest of razor-sharp stones could be home of an undiscovered Hobbit-like humanoid species. When a man-made island mysteriously appears off the US coast, grisly new evidence points to secret government experiments into psycho-chemical warfare.
A giant naval vessel is located on the bottom of the Norwegian Sea. An ancient reptile-like creature unknown to science is found in the permafrost of Canada's Arctic. In Scotland, archaeologists are drawn to a strange, figure-eight shaped ditch.
A secret military base is discovered a few hundred miles from the North Pole. A man-made, ancient stone formation is found 120 feet below the surface of Lake Huron. A 1500 year old burial ground is discovered on the shores of the Baltic Sea.
The evidence for Bigfoot piles up, causing some to wonder who has been keeping information from the public.
Disturbing experiments in animal cloning go on behind closed doors and human cloning may soon be a reality.
In Guatemala, an old site made up of a series of strange structures is found. On a remote island, a lake full of jellyfish is studied. Argentinian researchers find a complex that may have a dark past. A flower found in Sumatra gives off a foul scent.
In Belize, researchers find a curious skeleton in a cave. An ancient city in Cambodia is revealed by a LiDar scan. In Australia's far north, an old coin is unearthed on an island. Bolivian farmers discover something unusual hidden under the canopy.
For decades, extraterrestrial research has been directed to the skies - but researchers believe that UFOs may also be inhabiting our oceans.
Few have ever heard of the top-secret base in the deserts of Utah known as Area 52, but reports of UFOs have convinced people that the US military is keeping secrets.
An Australian rancher goes to check out what is frightening his herd, when he spots a large object hovering above a large water tank, which then speeds off into the distance.
A demonic truck driver, disembodied voices, nightmarish skinwalkers and a time loop are all reported to exist in Canyonlands National Park.
This tourist hotspot is also rumoured to be the epicentre of dark and sinister forces from Native American lore that lure visitors to their deaths.
Reports of sightings here include reptiles - known as reptoids - who work with aliens and can appear in human form.
A stroll through Great Sand Dunes National Park, where strange lights, animal mutilations and other bizarre incidents have been spotted.
A giant naval vessel is located on the bottom of the Norwegian Sea. An ancient reptile-like creature unknown to science is found in the permafrost of Canada's Arctic. In Scotland, archaeologists are drawn to a strange, figure-eight shaped ditch.
A secret military base is discovered a few hundred miles from the North Pole. A man-made, ancient stone formation is found 120 feet below the surface of Lake Huron. A 1500 year old burial ground is discovered on the shores of the Baltic Sea.
A strange creature similar to the Loch Ness Monster is spotted in the United States experts analyse evidence of a giant scaly egg, and some wonder if it belongs to a dragon birds are suddenly vapourised by an invisible death ray.
Deep sea explorers discover an unknown monster thousands of feet beneath the ocean killer fog threatens a town in the American Midwest a truck spontaneously explodes on a busy freeway.
Henry Baker is driving home with his family when his wife spots lights hovering over Lake Erie. Plus, strange lights turn violent on a ranch in Argentina.
Farmer Edwin Fuhr is harvesting crops when he spots a stainless steel metal object hovering in his field. Suddenly, four identical objects appear, but could aliens be to blame?
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