20 Strange Historical Discoveries That Only Deepened the Mystery
The Archaeologists Had to Stop Investigating
History is full of discoveries that have helped researchers understand how ancient civilizations lived, what they believed, and how they interacted with the world around them. However, some archaeological finds have raised more questions than they've answered, leaving historians and scientists debating their origins and purpose for decades. From mysterious underground cities to unusual artifacts and unexplained structures, these discoveries offer fascinating glimpses into the past without providing a complete picture of what really happened.
1. The Antikythera Mechanism
Found on a shipwreck near the Greek island of Antikythera in 1901, this was found to be an astronomical mechanism made over 2,000 years ago. It had intricate gears that allowed people to predict the movement of celestial objects. Astronomical occurrences could be shown on the device as well. We know quite a bit about this device now, but where it came from and how widespread the technology was remain unknown.
No machine-readable author provided. Marsyas assumed (based on copyright claims). on Wikimedia
2. The Voynich Manuscript
This is a manuscript that consists of pages containing an unknown language. There are also many pictures of plants, odd machines, and images that cannot be deciphered. This manuscript's pages are dated to the early 1400s. Nobody has come up with a true translation that can be agreed upon by scientists.
Unknown authorUnknown author on Wikimedia
3. The Roman Dodecahedrons
Many have been found throughout Roman territory, and these small, solid objects have twelve sides and are made out of bronze. They have small holes that go through each pentagon-shaped face, with each having varying hole sizes. Suggestions include measuring instruments, religious objects, knitting tools, and decorative accessories, although none has been conclusively established. The discovery of another example in England in 2023 reminded researchers that this ancient puzzle isn't going away anytime soon.
4. The Nazca Lines
These are some of the largest images ever to be created by humans. Spread throughout a large area in Peru are hundreds of these figures. Recent technological advances have also helped researchers identify previously unknown figures, adding even more questions about the people who created them.
5. The Baghdad Battery
This is an odd collection of artifacts found near Baghdad in the 1930s that led scientists to believe it could be an early battery. It consists of clay pots, copper tubing, and iron poles. Some believe these could have been used to produce electricity. The possibility of ancient electrical technology is certainly intriguing, but the actual function of these objects remains uncertain.
6. The Phaistos Disc
This object was found at a dig site on the Greek island of Crete. The disc has many pictures on it and unknown scripts that researchers have tried to decode. Some of these images depict humans, animals, flora, and other things. Since only one complete example is known, there's very little material available to help establish what its creator intended to communicate.
7. The Antikythera Shipwreck's Missing Treasures
When this wreck was first explored, many old artifacts were found on the ship. These included everything from statues to coins, and many of the artifacts recovered from this ship have amazed people all over the world. When it comes to what the ship actually contained, the ship's identity, its exact journey, and the circumstances surrounding its sinking have all attracted considerable attention. With more archaeological work taking place underwater, researchers still have plenty of reasons to return to the site.
Gary Todd from Xinzheng, China on Wikimedia
8. The Stone Spheres of Costa Rica
As mentioned above, there have been hundreds of stone spheres found in Costa Rica. Some weigh multiple tons and are perfectly sphere-shaped. Built by pre-Columbian Indigenous people, these objects can still puzzle archaeologists today. The impressive craftsmanship also raises questions about the techniques ancient communities used to create such symmetrical objects.
9. The Yonaguni Underwater Structure
Located offshore of Japan, this strange underwater structure has many people thinking it could be man-made. Its shape leads some to believe it could be a built structure that sank due to rising sea levels. But that hasn't been proven. Without definitive evidence of human construction, the formation remains a fascinating subject of debate.
jpatokal http://wikitravel.org/en/User:Jpatokal on Wikimedia
10. The Roman Dodecahedron of Norton Disney
Recently found by an amateur archaeology team in England, a very well-preserved Roman dodecahedron was discovered. This sparked even more research into this unexplained artifact. Despite the attention surrounding the find, researchers still couldn't establish what the mysterious 12-sided object was designed to do. Finding another example of an artifact that nobody understands is an unusual archaeological achievement in itself.
11. The Great Zimbabwe Ruins
Great Zimbabwe was once home to people many centuries ago. Today, it has become a ruin of an ancient African kingdom. Built somewhere around the 11th to 15th centuries, the site has allowed archaeologists to learn a lot about the people who lived there. The impressive stonework also demonstrates a level of architectural skill that early European visitors frequently underestimated.
Image taken by Jan Derk in 1997 in Zimbabwe. on Wikimedia
12. The Mysterious Copper Scroll
One of many scrolls found near the Dead Sea, this one was actually made of copper instead of traditional writing material. It goes into great detail about where all these treasures were buried. Some think it's fake, while others believe it's real. Despite numerous attempts to investigate its locations, nobody has successfully identified the enormous collection of wealth described in the text.
Abraham Meir Habermann, 1901–1980 on Wikimedia
13. The Nazca Mummy With Unusual Features
Found recently in Peru, these remains have captured the attention of many people. Some claim they have characteristics of something other than humans. These specimens have been sold to non-archaeologists who claim they aren't human. Experts believe that they could be put together with parts from humans. The controversy demonstrates how difficult it can be to separate legitimate archaeological discoveries from sensational claims.
The Cleveland Museum of Art on Unsplash
14. The Kensington Runestone
Found in Minnesota, this rune-like inscription claims to be from Vikings who made it past Newfoundland into North America. Some believe this is indeed true, while others think it's fake. It was discovered in 1898. The identity of the person responsible for carving it and the circumstances surrounding its appearance remain subjects of historical debate.
15. The Easter Island Rongorongo Script
Easter Island is known for its giant statues, but it's also home to a mysterious writing system. It's been found on many carved tablets containing pictures and scripts that depict figures and other creatures. The loss of much of the island's traditional knowledge has made understanding the script particularly challenging.
Unknown authorUnknown author on Wikimedia
16. The Ulfberht Viking Swords
Many of these swords have been found throughout Europe, all bearing the words Ulfberht on the blade. This seems odd because not many people had that ability back then. The swords offer evidence of impressive medieval craftsmanship while leaving questions about the origins of their materials and techniques.
17. The Longyou Caves
In 1992, a villager stumbled upon massive caves underneath him. He then found out there were many more around him as well. To this day, we don't know when these caves were carved out or who did it. It's also unknown what these caves were used for. The fact that such a large underground complex remained relatively unknown for so long makes its discovery even more remarkable.
18. The Saqqara Bird
Discovered near Egypt, this wooden artifact looks suspiciously like a plane. Many believe that Egyptians knew how to fly back then, although we don't know if this is true or not. However, archaeologists generally consider it more likely to be a bird-shaped object or ceremonial model, and there's no reliable evidence that ancient Egyptians built aircraft. Its unusual proportions have nevertheless kept the object in discussions about ancient Egyptian craftsmanship and technology.
19. The Giant Stone Heads of Olmec Civilization
These have puzzled archaeologists ever since they've been found. They stand tall, with some reaching impressive heights and weighing several tons. They all look slightly different, which leads some to believe each represents someone. Researchers understand that the sculptures were transported and carved using impressive techniques, but questions remain about the identities of the people depicted and the precise meanings behind their creation. Their individual expressions and elaborate headgear also offer intriguing clues about Olmec society.
20. The Lost City of Thonis-Heracleion
After many years of being lost underwater, this Egyptian city was discovered. Massive statues can be found throughout the sunken city, along with coins and pottery. Researchers believe earthquakes and other geological events contributed to the city's eventual disappearance beneath the Mediterranean Sea. Although its rediscovery has answered many questions about ancient Egyptian trade, the submerged city still holds countless unexplored areas and secrets.
No machine-readable author provided. World Imaging assumed (based on copyright claims). on Wikimedia
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