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.

5. 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.

6. 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.

7. 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.

8. 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.

9. 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.

10. 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.