Following are the Mysteries which are yet to be Solved : #1 Crop Circles #2 The Pyramids of Egypt #3 Bigfoot #4 UFOs/ Area 51 #5 The Belmez Faces #6 The Out of Body Experience #7 The Mayan Prophecy #8 Loch Ness Monster #9 Bermuda Triangle & Dragon Triangle

The original crop circles were exactly that - circular patterns of flattened crops, often created in mysterious circumstances overnight. During the last 20 years, though, crop circles have evolved into complex geometric shapes, like the DNA double helix or the nautilus shell.

In 1966, an Australian sugar cane farmer said he saw a saucer-shaped spaceship rise up from a swamp before flying away. When he looked at the landing site, he found the reeds intricately woven in a clockwise direction on top of the water. There are many other anecdotal accounts of crop circles appearing in alien UFO literature, where sometimes the crops were burnt, otherwise flattened.

The largest pyramid of all, also known as the Great Pyramid of Cheops (or Khufu),

was built around 5,000 years ago - but how ?

The Pyramid of Cheops is the size of a 40-storey building and covers an area big enough to fit 10 football fields in it. More than 2 million stone blocks were used to make the pyramid, each weighing 2-5 tons and cut from a distant limestone quarry on the other side of the Nile. Experts reckon it took 400,000 men some 20 years to complete. Engineering feats aside, there is also some weird paranormal phenomena going on at the Pyramid of Cheops. In the 1940s, a French hardware dealer spotted some mummified animals exactly one-third up the height of the pyramid. The remarkable thing was they showed no signs of decomposition. He deducted that the pyramid shape was responsible for preserving these creatures. Attempts to mummify dead organic matter under small cardboard pyramids have produced the same result - as if there is some kind of "energy" within the pyramid shape.

Bigfoot is world-famous for spooking the bejesus out of hikers and hunters in North America. Scientists consider Sasquatch to be the result of folklore, misidentification and a whole lot of hoaxes. However, some people believe many of these humanoid creatures exist around the world, just like the Yeti of the Himalayas. Bigfoot has been described as an ape-like creature, some 6-10 feet tall, weighing more than 500 pounds, and covered in dark brown or reddish hair. Witnesses give him large eyes, a heavy brow ridge and a crested head, much like a male gorilla. Footprints allegedly belonging to Bigfoot are 24 inches long. Scientists also point out there is slim chance that a prehistoric, bipedal, apelike creature could exist, simply because the breeding population of such an animal would have to be so large that many more sightings would be reported.

The first reported UFO sighting happened in Texas in 1878, when a local farmer reported seeing a large, dark, circular flying object flying "at wonderful speed". Another famous early sighting occurred in the UK in 1916, when a pilot reported seeing a row of lights that rose and disappeared into the sky. After UFOs were popularized by science fiction in the 1950s, the number of sightings went through the roof. Theories to explain the paranormal phenomena range from the good old Extraterrestrial Hypothesis, where aliens are visiting us from another planet; to the Interdimensional Hypothesis, where alien UFOs are crossing the fabric of space-time from a parallel universe. Meanwhile, UFO conspiracy theories center around Area 51 in Nevada, about 90 miles north of Las Vegas. The site houses a large air base that was selected in the 1950s for testing of a U-2 spy plane. It has since become America's testing ground for secret "black budget" aircraft before they go public.

In 1971, in the small Spanish village of Belmez, Maria Pereira claimed a human face spontaneously appeared on her cement kitchen floor. It wasn't long before she destroyed the floor and replaced it - and a new face promptly appeared. More and more faces continued to appear on the floor of Maria Pereira's kitchen, attracting thousands of visitors every day. Some were male, some female, some large, and some small. In time, she discovered that the house, built around 1830, stood above a graveyard used by the Romans, Spanish Muslims and then Medieval Christians. Did Maria Pereira paint the faces herself? If so, she never benefited financially from all the attention. She lived a simple life in that same house and eventually died in 2004, after which the house was put on the market. Besides ghostly apparitions, paranormal experts suggest a second theory - that the faces were manifested on the floor by telekinesis. Apparently, the expressions on their faces used to change with the mood of Maria Pereira.

An out of body experience is defined by your awareness being transferred beyond your physical body. When it happens during severe bodily trauma, it's often called a Near Death Experience (NDE). And when it's layered with esoteric interpretations of the afterlife, it's known as Astral Projection.

According to many New Age believers, the Mayan Prophecy states that the world as we know it will change on December 21, 2012. This particular theory has been around for more than 5,000 years. It began when the ancient Mayans plotted our position in the Milky Way and launched the Mayan calendar. However, the astrological prediction has since been embellished. Here's one popular spiritualist interpretation: The Mayans believed that in the year AD 1999, mankind would have 13 years to recognize our own patterns of self destruction. Then, starting December 21, 2012, our entire lives would be tested and only those most in touch with their spiritual sides would survive. They claim a natural or man-made disaster will occur (although no-one can agree on the exact nature of the event) tearing apart the civilized world and taking us back to hunter-gatherer days.

The Loch Ness Monster is a prehistoric creature thought to inhabit the Loch Ness in the Scottish Highlands. As lake monsters go, Scotland has tales of a fair few, with Nessie gaining the most popularity of all on the back of anecdotal evidence. Nessie first hit the headlines in 1933 when a story was published in the Inverness Courier. The report quoted a Londoner who had visited a few weeks earlier as seeing: "a most extraordinary form of animal... the nearest approach to a dragon or pre-historic animal that I have ever seen in my life." After that, more sightings were reported and this unexplained phenomena hit international headlines. That same year, one motorcyclist claimed to nearly hit Nessie late one night as it lumbered across the road and slid back into the loch. Soon, apparent photos of the Loch Ness Monster were published. In 1960, an aeronautical engineer filmed a hump crossing the water in Loch Ness in a powerful wake unlike that of a boat. Years later, digital enhancement of the footage revealed what seemed to be the rear body, flippers, and two more humps of a plesiosaur-like body. The technician said: "Before I saw the film, I thought the Loch Ness Monster was a load of rubbish. Having done the enhancement, I'm not so sure."

BERMUDA TRIANGLE DRAGON TRIANGLE

The Bermuda Triangle is one of the great unexplained phenomena of the 20th century. It is held responsible for the disappearance of countless airplanes and boats in the ocean between Florida, San Juan, and Bermuda. This area is one of the most heavily sailed shipping lanes in the world, with vessels crossing through daily for ports in the Americas, Europe and the Caribbean Islands. There are a huge number of disappearances that happened in very mysterious circumstances, falling beyond the possibilities of human error, equipment failure or natural disasters. Many theories attribute a paranormal explanation, like a suspension of the laws of physics. The first unexplained phenomena occurred in the 1950s when the story of Flight 19 came to light, detailing a group of five US Navy bombers on a training mission. The flight leader was reported to have said: "We are entering white water, nothing seems right. We don't know where we are, the water is green, no white." It was also claimed that Navy officials said the planes "flew off to Mars", linking the Devil's Triangle with the supernatural.