Around the world, sightings of strange flying objects and mysterious lights in the sky have been reported. Could these UFOs be signs of intelligent life outside our planet, or are they just natural or man-made phenomena?
Across the planet thousands of crop circles have been reported. Most of these patterns are dismissed as hoaxes, but for some they beg the question, are these crop circles man made, or something from another world?
Different cultures call it different things: Bigfoot, Sasquatch, Abominable Snowman and Yeti, but they're all talking about the same phenomenon and the descriptions are similar: large, hair-covered creatures that walk upright like humans.
All over the world, mysterious, ghostly lights appear on the ground and in the air without warning or explanation. The lights continue to puzzle scientists who wonder if they could be a new source of energy, precursors to natural disasters, or UFOs.
For ages, prophets have suggested that disastrous events and maybe even the end of the world lie ahead. Are we looking at an unquenchable human desire to make sense out of the chaos of life - or a true supernatural power?
From Loch Ness to the west coast of Canada, people are reporting sightings of sea creatures they can't explain. Are they seeing remnants from the dinosaurs or mythical beings or just mistaking ordinary creatures for something paranormal?
In Puerto Rico and Texas farmers wake up to find their chickens, pigs, and goats dead but not eaten. People wonder if this unusual predator is the real Chupacabra.
In every culture and for centuries, witnesses report strange encounters with apparitions, or ghosts. Are these spirits caught between this world and the next, or are they merely figments of wild imaginations?
While the Bermuda Triangle has been dismissed by skeptics, a new mysterious area that hovers over the earth gains the attention of scientists.
Investigating mass animal deaths around the world. Included: Scientists search for answers, specifically as to why some species seem to have nearly vanished.
Mysterious blood-red rain and blobs of unknown gelatinous substance that have been reported falling from the sky after meteor showers are investigated by scientists.
A psychic claims she can see who killed a teenage girl in New Jersey. Then, in Oregon, a psychic tries to help solve the murder of a cowboy.
Examining what comes after death. Included: People who have had near-death experiences report being bathed in images, sounds and feelings so vivid that their lives are changed forever.
