Archive index

Investigations

Browse all dossiers in the archive. Each investigation compiles documented facts, supporting and contradicting evidence, open questions, and source references.

10 DOSSIERS

Showing 10 of 10 dossiersCategory: Ancient Mysteries
Ancient MysteriesUNCONFIRMED

Atlantis

A legendary island civilization described by Plato that sank into the ocean, inspiring centuries of speculation about its existence and location.

89 DOCUMENTS1 CONNECTIONSJun 23, 2026
Ancient MysteriesDECLASSIFIED

Stonehenge

A prehistoric monument in Wiltshire, England, consisting of massive standing stones arranged in a circular pattern, built between 3000 and 2000 BCE.

89 DOCUMENTS2 CONNECTIONSJun 23, 2026
Ancient MysteriesDECLASSIFIED

Gobekli Tepe

A 12,000-year-old archaeological site in Turkey with massive carved stone pillars, predating agriculture and challenging assumptions about civilization's origins.

67 DOCUMENTS2 CONNECTIONSJun 23, 2026
Ancient MysteriesDECLASSIFIED

Easter Island

A remote Pacific island famous for its massive moai statues, whose construction, transport, and the island's ecological collapse remain subjects of study.

56 DOCUMENTS2 CONNECTIONSJun 23, 2026
Ancient MysteriesDECLASSIFIED

Nazca Lines

Massive geoglyphs in the Nazca Desert of Peru, created between 500 BCE and 500 CE, visible only from the air.

45 DOCUMENTS2 CONNECTIONSJun 23, 2026
Ancient MysteriesDECLASSIFIED

Sacsayhuaman

A massive Inca fortress near Cusco, Peru, with enormous stone walls fitted together with extraordinary precision without mortar.

34 DOCUMENTS2 CONNECTIONSJun 23, 2026
Ancient MysteriesUNDER REVIEW

Puma Punku

An ancient Bolivian archaeological site with precisely cut stone blocks, some weighing over 100 tons, challenging explanations of ancient engineering capabilities.

34 DOCUMENTS2 CONNECTIONSJun 23, 2026
Ancient MysteriesUNCONFIRMED

Lemuria

A hypothetical lost continent proposed in the 19th century to explain biogeographical similarities between India, Madagascar, and Africa.

34 DOCUMENTS1 CONNECTIONSJun 23, 2026
Ancient MysteriesUNDER REVIEW

Yonaguni Monument

A submerged rock formation off Yonaguni Island, Japan, that some argue is a man-made structure dating to 10,000 BCE.

28 DOCUMENTS2 CONNECTIONSJun 23, 2026
Ancient MysteriesUNDER REVIEW

Baghdad Battery

A 2,000-year-old artifact from Iraq resembling a galvanic cell, raising questions about ancient electrical knowledge.

23 DOCUMENTS2 CONNECTIONSJun 23, 2026

Shadow Archive separates documented facts from claims, counterarguments, and open questions. It does not present unsupported allegations as confirmed fact.