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For many, Stonehenge symbolizes the dawn of the most ancient civilizations, the creation of humans who were still emerging from their hunter-gatherer past. Yet, they may be astonished to discover how many other mysterious structures endure, originating from even earlier eras, hidden in places few would think to explore.
10. The White Temple of Uruk, 3200 BC
Far from the tranquil landscapes that host Stonehenge stands a much older structure. Situated atop the ancient ziggurat in present-day Warka, Iraq, the timeworn White Temple is lesser-known than the ziggurat complexes of Ur. At just 20 meters (60 feet) long, the White Temple takes its name from its whitewashed mud-brick walls, which continue to stand guard over the sands of the ancient Sumerian civilization. The temple's original name remains a mystery, as the early history of the site is notoriously hard to unravel. Could this building hold secrets of a highly ancient, organized religion?
What makes the White Temple particularly captivating is its connection to Anu, the oldest god in the Sumerian pantheon (and a key figure in the Epic of Gilgamesh). It is also intriguing due to the treasures it may have once sheltered, such as the Warka Vase. This 5,000-year-old artifact, once displayed in the Iraqi National Museum in Baghdad, was looted in April 2003 but later returned in fragments months afterward, serving as a somber reminder of the fragility of Iraq's current state and its ancient legacy.
9. The Tarxien Temples, 3250 BC
The Tarxien Temples are located within the urbanized district of Paola, just a short 30-minute drive from Valletta, Malta's capital. While less famous than the Ggantija Temples or the nearby Hal-Saflieni Hypogeum, these above-ground temples are among the most intricate of all ancient temple sites in Malta.
There are three distinct temples at Tarxien, each dating to different periods, with the oldest dating back to 3250 BC. The enigma surrounding them lies in the beliefs of the people who built them. Were they merely artistic structures, as suggested by the detailed and beautiful animal carvings found there, or did they honor a Sun god? Perhaps these temples were dedicated to an obese fertility goddess, whose plump figure frequently appears at the site.
The Tarxien temples were unexpectedly unearthed by a farmer in 1913. Since then, they have undergone meticulous restoration, though they remain exposed to the elements. Proposals for a protective tent and flood prevention measures have been made, but for now, the temples stand beneath the vast blue sky, bathed in the relentless sunlight.
Sechin Bajo Plaza, dating back to 3500 BC, is an ancient site worth noting.
While the Inca Empire and its iconic Machu Picchu citadel are widely known, fewer are familiar with the much older remnants of Peru's ancient civilizations. Long before the Incas rose to prominence in the 15th century, ancient cultures in the New World constructed Sechin Bajo. This site features a circular plaza, 14 meters in diameter, located 370 kilometers north of Lima.
Adobe friezes depict a warrior gripping a knife in one hand and possibly holding a head or shield in the other. While there is debate about the site's exact age, carbon-dating tests conducted by a German-Peruvian team in 2008 suggest that the plaza dates back to 3500 BC, making it the oldest known building complex in the Western hemisphere.
The plot thickens with the mention of even older plazas, possibly buried beneath the main site. However, this enigma will have to wait for now, as the archaeologists are awaiting additional funding to explore further. For the time being, scientists are filling the site with dirt to preserve it and shield it from potential tomb raiders.
7. West Kennet Long Barrow, dating to 3650 BC.
Seven centuries before Stonehenge was being constructed, the West Kennet Long Barrow had already been built, just 25 kilometers (15 miles) away from the iconic stone circle. A barrow is a burial site traditionally reserved for the elite, and this particular barrow is among the best-preserved in Britain. Spanning over 100 meters (330 feet) in length and between 12–24 meters (40–80 feet) in width, it is large enough for a person to stand upright inside. Dating back to 3650 BC, it was used for nearly 1,000 years, holding the remains of 50 individuals.
There is much speculation about the reasons behind the abandonment of the barrow. Was it simply forgotten, or was there a deeper, more mysterious cause? Could the change in burial customs, perhaps linked to the rise of new beliefs, have led to the closure of the old barrows? Or might it be connected to the construction of the Avebury stone circle, built around the same time the Long Barrow fell into disuse, just 2 kilometers (1.2 miles) away?
6. Knap Of Howar, dating back to 3700 BC.
At first glance, the two stone structures of the Knap of Howar may seem unremarkable, but they are actually 5,700 years old, making them the oldest known stone houses in northern Europe. The walls of these ancient houses still stand at over 1.6 meters in height, though they were only revealed in the 1930s after severe sea erosion and strong winds uncovered them.
These houses are located at the northernmost point of Scotland’s Orkney Islands, an archipelago of over 70 islands, 20 of which are inhabited. The Knap, along with other renowned Orkney sites such as Skara Brae and the Ring of Brogar, is part of the UNESCO World Heritage Site known as the Heart of Neolithic Orkney. The name 'Knap' comes from Old Norse and translates to 'mound of mounds.'
Several intriguing questions surround these prehistoric homes. What is the meaning behind the pottery shards and stone and flint tools found within the houses? Could the Knap have been a workshop, with its tools traded far beyond the islands? The houses feature spacious living areas, and there are signs of even older structures beneath. Just how advanced and ancient was the civilization that created such homes so far to the north?
5. Monte D’Accoddi, dating back to 4000 BC.
If most people were asked where to find a truly ancient pyramid, few would think of the northwestern coast of Sardinia in the Mediterranean. Yet, it is here where Monte d’Accoddi, a 6,000-year-old structure, stands. The purpose of this site remains a mystery, but with its foundations dating back to 4000–3650 BC, it not only predates Stonehenge but is also older than the earliest pyramids of Egypt, which emerged over a thousand years later.
The name Monte d’Accoddi is translated as 'Stone Mount,' and the structure features a ramp over 40 meters (130 feet) long that leads to a step-pyramid, once standing 8 meters (25 feet) tall. Interestingly, nearby is both a 4.44-meter (14.6 feet) upright menhir and a limestone sphere with a circumference nearing 5 meters (15 feet). Lonely Planet describes the site as 'unlike anything else in the Mediterranean,' and despite its extraordinary nature, relatively few tourists visit.
Monte d’Accoddi has been interpreted in various ways—as an altar, ziggurat, temple, and pyramid. Adding to the enigma is the 'red room' at the center of the site, its walls coated in red ochre. Despite numerous investigations, the true function of this mysterious mount remains unclear.
4. Tumulus of Bougon, dating to 4700 BC.
The Tumulus of Bougon is one of the rare remaining structures that would have been considered ancient even in the time of Stonehenge. A tumulus is an artificial mound, typically built over a burial site. Located in the Deux-Sevres department of France, near the Atlantic coast, the Bougon site features no fewer than six tumuli.
The largest of the tumuli measures 72 meters (240 feet) long, with varying shapes and sizes; some are circular, while others are rectangular or trapezoidal. Were these design choices made purely for aesthetic reasons, or do they hold deeper meaning, perhaps tied to the builders' beliefs about the afterlife?
Additional mysteries surround these 7,000-year-old structures. A skull found inside one of the tumuli shows clear signs of trepanation, a procedure where a hole was drilled into the skull, likely to treat mental disorders. Did the man survive the ordeal, or was he quickly buried at Bougon? Although we now regard such practices as archaic, they reveal the ancient attempts to cure ailments.
3. Tell Abu Hureyra, dating back to 11,000 BC.
The rectangular walls of the houses at Tell Abu Hureyra hold an epic story—one with an unexpected twist at the end.
The tale begins with the dawn of human agriculture, marking a pivotal moment in the history of Homo sapiens. Among the incredibly ancient remains of Tell Abu Hureyra, in what is now northern Syria, some of the earliest cultivated cereals have been discovered. This village has been radiocarbon-dated to a staggering 13,000 years ago.
This may have been humanity's first full-scale attempt at farming, according to research led by Professor Hillman from University College London. Hillman stated, 'As the wild grasses and seeds that the people relied on for food diminished, they were compelled to begin cultivating the easiest-to-grow varieties in order to survive.' We may never know exactly what prompted these early farmers to take the first step that would launch humanity into a new era.
But what about the final twist? These ancient structures were intentionally flooded and now lie hidden beneath the waters of Lake Assad, keeping their secrets safe.
2. Tower of Jericho, dating back to 9000 BC.
The Tower of Jericho combines mystery with biblical renown, beauty with dread, and grandeur with strength. The origins of the 8.5-meter (28 ft) stone tower, a staggering 11,000 years old, validate its description as the world's oldest skyscraper.
The tower represents a significant milestone in human progress, towering over the landscape at a time when most human tribes had not yet settled into permanent communities. Its construction marks one of the first feats of the so-called urban human, a species that had wandered the earth for tens of thousands of years without a fixed abode.
The mystery lies in the purpose of the tower. Nearly every year since its discovery 65 years ago has brought a new theory regarding its function. The ideas range from the tower serving as a time-keeping device to being a flood defense, from a symbol of wealth to a territorial marker. The methods of its construction remain an unsolved puzzle. As part of the biblical city of Jericho, whose walls famously fell, the tower is guaranteed a lasting place in the annals of human history.
1. Cairn of Barnenez, dating back to 4800 BC.
A faceless portrait—repeated and cryptic U shapes—frantic zigzags. These symbols are etched into stone slabs, lying in vaults that have withstood the test of time for more than 6,800 years. These are just a few of the mysteries sealed within the Cairn of Barnenez, located in northern Finistere, Brittany, France.
The Cairn of Barnenez is not the final resting place of a single person but contains 11 separate tombs, added over time, beginning in 4800 BC. This monument is so ancient that the time gap between its creators and the authors of the Old Testament is as vast as the span between those biblical figures and the modern day.
This is no small monument. The cairn stretches 75 meters (250 feet) in length and 25 meters (80 feet) at its widest point. The stones that make up this massive site are estimated to weigh around 12,000 tons, making it the largest megalithic tomb in Europe.
