Ancient / Prehistoric.
Cases buried in the archaeological and prehistoric record — structures, scripts, and civilizations older than the questions about them. 39 case files in the archive.
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The Antikythera Mechanism
A ~150 BCE Greek bronze geared device for astronomical calculation, mechanically more sophisticated than anything else surviving from antiquity. Recovered from a Roman-era shipwreck in 1901.
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Göbekli Tepe
In southern Turkey, hunter-gatherers carved limestone pillars up to 5 meters tall and arranged them in stone-walled enclosures around 9600 BCE.
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The Voynich Manuscript
A 15th-century manuscript at Yale, written in an alphabet that matches no known writing system. Carbon-dated to 1404-1438.
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Atlantis: Plato's Account and Its Long Afterlife
The Timaeus and Critias narrative (c. 360 BCE), the Saïs priests, the 9,000-year time depth, and the location proposals from Thera to Antarctica.
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The Library of Alexandria
Founded c. 280 BCE by the early Ptolemies. The four damage events - Caesar 48 BCE, Aurelian 273 CE, Theophilus 391 CE, Umar 642 CE.
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The Nazca Lines
The geoglyphs of southern Peru's Nazca and Palpa plains, c. 500 BCE-500 CE. Construction method, Maria Reiche's lifelong work, Aveni's water-source hypothesis.
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The Ancestral Puebloan ('Anasazi') Disappearance
The mid-to-late 13th-century abandonment of the Four Corners. The 1276-1299 Great Drought (Douglass tree-rings), internal-conflict evidence.
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The Maya Collapse (~800-950 CE)
The Terminal Classic collapse of the southern lowland city-states. The Yok Balum cave speleothem record (Kennett et al. 2012), the Chichancanab lake sediments.
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The Sphinx Weathering Controversy
Robert Schoch and John Anthony West's 1990s geological argument that the vertical fissures on the Sphinx enclosure walls indicate rainfall erosion requiring a substantially pre-dynastic construction date.
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Easter Island / Rapa Nui Collapse
The disputed standard narrative (Diamond's ecocide) versus the revisionist account (Hunt and Lipo: rat-driven deforestation, stable pre-contact population, post-1722 European-contact catastrophe).
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The Younger Dryas Impact Hypothesis
The 2007 Firestone et al. PNAS paper proposing a cometary airburst event ~12,800 years ago caused the abrupt Younger Dryas cooling, megafauna extinction, and Clovis disruption.
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Puma Punku (Tiwanaku, Bolivia)
The pre-Inca site at the Tiwanaku complex near Lake Titicaca, dated by mainstream archaeology to ~536-600 CE. Component blocks of red sandstone and andesite, some >130 tons.
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Karahan Tepe
Pre-Pottery Neolithic A site in Şanlıurfa Province, Turkey, c. 9000-8000 BCE. Göbekli Tepe's contemporary, 35 km east.
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Çatalhöyük (~7100-5700 BCE)
Large Neolithic-Chalcolithic settlement in central Anatolia, southern Turkey. ~8,000-10,000 inhabitants at peak.
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Gunung Padang (Indonesia)
Megalithic terraced site in West Java, mainstream-dated to ~500 BCE-CE. The 2023 Natawidjaja et al. 'world's oldest pyramid' claim, retracted by the journal in March 2024.
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The Yonaguni Monument (Japan)
Submerged rock formation off Yonaguni Island (Ryukyu Islands), discovered 1986. Step-like terraces, rectilinear features.
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The Norse Vinland Colonies / L'Anse aux Meadows
The 1960 Ingstad discovery of the Newfoundland Norse settlement. Eight turf-walled buildings, iron-smelting, butternut wood.
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The Indus Valley Script (~2600-1900 BCE)
The undeciphered writing system of the Harappan civilization. ~4,000 inscribed objects, ~400 base signs, short inscriptions.
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The Vinland Map
The map once-dated to c. 1440 showing Vinland alongside Europe and Asia. The September 2021 Yale Beinecke formal conclusion: a 20th-century forgery.
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The Phaistos Disc (~1700 BCE)
Fired clay disc discovered July 3, 1908 by Luigi Pernier at the Minoan palace of Phaistos. 45 distinct signs in spiral arrangement.
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Sacsayhuamán (Cusco, Peru)
Inca-era walled complex on the outskirts of Cusco, built c. 1438-1500. Polygonal andesite-limestone masonry: blocks ~100-200 tons fitted without mortar.
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The Baghdad Battery
The ~12-15 clay jars with copper cylinders and iron rods, discovered ~1936 by Wilhelm König. The Parthian-vs-Sasanian dating dispute. The galvanic-cell vs. scroll-storage interpretations. The 2003 looting of the National Museum of Iraq.
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The Olmec Colossal Heads
17 confirmed massive basalt head sculptures across four Olmec sites in southern Veracruz and Tabasco, c. 1500-400 BCE. 6-50 metric tons; transported 50-160 km from the Tuxtla Mountain quarries.
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The Ark of the Covenant
The gold-covered chest of the Hebrew Bible that vanished from the record. What the texts describe, how it disappeared around 586 BCE, and the competing traditions placing it in Axum, beneath the Temple Mount, on Mount Nebo, or destroyed in Babylon's sack of Jerusalem.
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The Holy Grail
From its 12th-century literary origin in Chretien de Troyes through the relic claims (Valencia, Genoa, Nanteos) and the modern 'bloodline' reinterpretation. What is history, what is medieval romance, and what is modern invention.
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The Tomb of Genghis Khan
The deliberately hidden grave of the Mongol founder (d. 1227). The traditions of secret burial, the Burkhan Khaldun association, the concealment legends, and the modern satellite searches that respect Mongolia's wish to leave it undisturbed.
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The Tomb of Cleopatra and Mark Antony
The lost royal grave of Alexandria (30 BCE). What Plutarch records, why the location was lost as ancient Alexandria sank, and the modern search at the Taposiris Magna temple led by Kathleen Martinez.
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The Sahara Green Period
The African Humid Period roughly 11,000 to 5,000 years ago when the worlds largest desert was a green land of lakes, rivers, and people. The orbital cause, the rock art, the Gobero burials, and the desertification that ended it.
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The Plain of Jars
The thousands of giant Iron Age stone jars scattered across the Xiangkhouang Plateau in Laos. The mortuary interpretation, Madeleine Colani research, the unexploded-ordnance problem, and the questions about who made them and why.
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The Cucuteni-Trypillia Culture
The Copper Age culture of Romania, Moldova, and Ukraine (~5500-2750 BCE) — its enormous mega-settlements, its painted pottery, and the still-debated custom of deliberately burning whole towns to the ground every few generations.
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The Bimini Road
The underwater line of limestone blocks off the Bahamas discovered in 1968. The Edgar Cayce Atlantis prophecy connection, the natural-beachrock geological explanation, and why mainstream science considers it a natural formation.
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The Saqqara Bird
The small wooden bird figurine from a ~200 BCE Egyptian tomb, claimed by some to be a model glider proving ancient aviation. The falcon/votive explanation, the aerodynamic analysis showing it cannot fly, and why mainstream Egyptology rejects the glider claim.
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The Death of King Tutankhamun
The death of the boy-king Tutankhamun (~1323 BCE). The discredited murder theory, the 2005 CT scan and 2010 DNA study pointing to malaria, bone disease, and a possible leg fracture, the inbreeding, and why no single cause is confirmed.
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The Plague of Athens (430-426 BCE)
The epidemic that struck Athens during the Peloponnesian War, killing perhaps a quarter of its population including Pericles. Thucydides eyewitness account, the many proposed pathogens, the 2006 typhoid DNA finding, and why the disease is still unidentified.
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The Cocaine Mummies
The 1992 finding by toxicologist Svetlana Balabanova of cocaine, nicotine, and hashish in Egyptian mummies. The pre-Columbian-contact claim, the contamination and methodology critiques, and why mainstream science rejects a transatlantic cocaine trade.
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The Tarim Mummies
The preserved Bronze Age bodies of Xinjiang with Western features and tartan-like textiles. The old Indo-European migration theories, and the 2021 ancient-DNA study showing they were a genetically isolated local population, not incoming migrants.
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Stonehenge
The Neolithic monument on Salisbury Plain. How it was built and dated, where the sarsens and Welsh bluestones came from, the 2024 finding that the Altar Stone came from Scotland, and which mysteries are genuinely open.
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The Great Pyramid of Giza
The tomb of Pharaoh Khufu, built around 2560 BCE. Who built it (paid Egyptian workers, not slaves or aliens), how, and the large internal 'Big Void' that muon scans found in 2017.
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The Easter Island Moai
The giant statues of Rapa Nui. Who carved them and when, how they were 'walked' upright to their platforms, what they meant, and why aliens were never needed.