Mackenzie Poltergeist in Greyfriars The Mackenzie Poltergeist is one of the most famous attractions when taking the City of the Dead tour within the Greyfriars Kirkyard in Edinburgh as people who join the tour experience bruises, scratches, and some even faint as they enter and see the Black Mausoleum where Sir George Mackenzie lies. Is it all for show? Maybe there’s only one way to find out…

Aluminum Wedge of Aiud Back in 1974, a group of workers in Romania discovered three different objects 10 meters deep in a sand trench. Two of the items were prehistoric elephant bones that have been dated as old as 2.5 million years ago. The third object however, is an aluminum wedge that was found together with the ancient bones. This discovery dumbfounded most researchers, as aluminum was difficult to create even by 19th century standards. While some call it evidence of extraterrestrials, others are calling it a hoax. Whatever it is, we may never know.

SS Ourang Medan What happened to SS Ourang Medan or “Man from Medan” in Malaysia is perhaps one of the most fascinating and mind-boggling mysteries that ever existed in seafaring history. Everything began with an SOS message in 1947 that mentioned the captain, along with the rest of the crew, was dead. What’s worse, even the telegrapher died during the transmission of the message. When the Silver Star was able to receive the distress call and went to inspect the ship, they confirmed the deaths of all aboard. Speculations of ghosts, hazardous chemicals, and even aliens have been raised, but there is still no conclusion as to what actually happened.

Nazca Geoglyphs The Nazca civilization is responsible for some of the most fascinating geoglyphs on the face of the Earth. They include everything from spiders, monkeys, sharks, orcas, and flowers, the precision of which is incredible given that the Nazca had no way of examining their work from above.

Lal Bahadur Shastri He died an unexplainable death since he left the country healthy. Many have claimed that he died of heart attack, but the doctors and other specialists who have checked him out, including his wife, confirmed that he was A-okay. His wife had also made the assertion that the Tashkent Pact, upon signature, gave the chance for him to be poisoned. This was never proven since there was no post-mortem diagnosis of the body so every assumption that could be answered were already included in the grave.

DB Cooper When DB Cooper hijacked a Boeing 727 along with $200,000, he proceeded to jump out of the plane with a parachute. He was never found, however, and this remains the only unsolved case in US aviation history. There have been new discoveries as of this month of february. They think he may have been an Ex Boeing employee because of rare elements found on his tie.

Wow! Signal When Jerry R. Ehman worked under the SETI Project of the Ohio Wesleyan University’s Perkins Observatory, he did not expect that he would be able to pick up a radio frequency supposedly coming from deep space. He was able to get a 72-second signal from the constellation Sagittarius and was never able to get it again. Up to this day no one is sure about the origin of the signal. It derived its name, however, from the “wow!” that Jerry wrote in the margin of the printout.

Severed Foot Beach in British Columbia It is not uncommon for bodies to wash up on beaches but for one beach in British Columbia severed feet have consistently been floating ashore for the past several years causing numerous theories to be put forth. This one gets strange....

Extraterrestrials From the mysteries found in the Eastern Islands, to the Bermuda Triangle, and even with the Roswell Incident during World War II, men have always been in question as to whether we are not alone in the universe. With some claiming to have been abducted and others calling hogwash, there is as of yet no consensus.

The Lost City of Atlantis The City of Atlantis has been imagined as the crowning city of Neptune, where mermaids and mermen live. But based on what Plato has discussed during his time, specifically with his two dialogues Timaeus and Critias, it specifically mentioned the existence of Atlantis based on the stories being heard during the journeys, and how Atlantis was in its prime state, thus giving a clue that the place did exist as Plato was a real entity. Now that it sunk into the deep, many are still wondering if it is real, knowing that there are certain objects underwater that may be the remnants of this once beautiful city.

Shroud of Turin The shroud containing an imprint of a human face has been one of the main focuses of Christian research, as many have suggested that the person’s face in the shroud could be Jesus Christ of Nazareth.

Stonehenge While Stonehenge is a very fascinating structure due to the big rocks that stand atop one another, the biggest mystery isn’t how it was created but why.

Black Dahlia Murder 22-year old Elizabeth Short was very active at promoting herself into showbiz at the time the Black Dahlia murder occurred, however, no one knew of the killer or who actually did the murder.

Bigfoot Also known as Sasquatch, bigfoot is supposedly a creature that lives in the snowy mountainous regions of the United States and Canada. It may be identified as a gorilla at first, however, its walking posture can be compared to that of a man’s.

The Loch Ness Monster For ages, people have been hearing about the Loch Ness monster and how it baffled everyone thinking that it is a creature unlike any other. There have been many sightings over the years and photos and videos of actual footage have been checked and looked at time and time again, confirming if it could be some kind of sea serpent or a descendant of the dinosaurs. Even up today, as some are claiming, it still exists and swims under the waters.

Rongorongo In the mysterious Easter Islands where the moai stands, a set of glyphs have been discovered, called the Rongorongo. These glyphs have never been deciphered although they may contain clues concerning the huge heads found scattered around the island.

Georgia Guidestones Also identified as the American version of Stonehenge, the Georgia Guidestones located in Elbert County are shrouded in mystery, although they were erected only in 1979. Written on the walls are 10 “new commandments” written in English, Swahili, Hindi, Hebrew, Arabic, China, Russia, and Spanish although no one is sure why or for whom they were meant.

Zodiac Letters During the 1960s and 1970s, there was a certain criminal in the San Francisco Bay area that was identified as the Zodiac killer for the mind-boggling letters he sent to the police and to the press. Although one of the four letters were cracked, which contained a very disturbing message, the other three have never been identified, even until now.

Tamam Shud Back in December 1948, an unidentified man was found dead in Somerton Beach, located in Adelaide, Australia. Found in one of his pockets was a piece of paper with the words “Tamam Shud” written on it. The words were translated “finished” or “ended” based on excerpts found in The Rubaiyat of Omar Khayyam. Although governments around the world have tried to identify the man his identity has remained mystery.

Shepherd’s Monument Inscription In Staffordshire, England, there is a sculpture that has invited the wits and intellect of many intellectuals in an attempt to decode an inscription reading DOUOSVAVVM. Although the Shepherd’s Monument was constructed back in the 18th century, the letters found therein were never solved, even 250 years after it was completed.

Kryptos Just outside the CIA headquarters in Langley, Virginia, you will behold a statue that has coded encryptions on its surface. This very captivating sculpture was created by Jim Sanborn to show that everything can be resolved and decoded with the use of patterns and clues. Of the four inscription sections that were included, only the first three have been cracked. But the fourth? Not even the brilliant minds in the CIA were able to get to the bottom of it.

Bermuda Triangle Known as the Bermuda Triangle, this legendary expanse of ocean can be found between the points of Miami, Bermuda, and Puerto Rico. Pilots often tell of their instruments going haywire and numerous ships have been lost at sea. With explanations ranging from gas bubbles to aliens, no one is sure what is behind the strange phenomena.

Jack the Ripper The name Jack the Ripper has been heard in many shows and movies, pertaining to the serial killer who murdered 11 women in London’s east end in the late 1800′s but was never identified. Most of his victims were prostitutes, whose bodies were mutilated beyond recognition and their throats slashed.

Voynich Manuscript The Voynich manuscript was written in a language that men through the centuries have tried to decode to no avail. The only idea anyone has of its origin are the drawings found on various pages.

The Taos Hum In the small town of Taos, New Mexico, there is a certain buzz often heard on the horizon that can be compared to the sound of a distant diesel engine. Although it can be heard by the naked ear, various sound detection devices are not able to pick it up. This is known as the Taos Hum and up to this day, no one still knows how this sound is being created.