Archive index
Investigations
Browse all dossiers in the archive. Each investigation compiles documented claims, counterarguments, key figures, timelines, and source references.
151 DOSSIERS
Dancing Plague of 1518
A bizarre 1518 event in Strasbourg where hundreds of people danced uncontrollably for days, some until death, with causes ranging from mass hysteria to ergot poisoning.
Antikythera Mechanism
A 2,000-year-old Greek analog computer discovered in a shipwreck, capable of calculating astronomical positions, eclipses, and the Olympic Games cycle.
Voynich Manuscript
A 15th-century illustrated codex written in an unknown script that has resisted all attempts at decipherment for over a century.
Mary Celeste
The 1872 discovery of the brigantine Mary Celeste sailing under full sail in the Atlantic with no crew aboard, their whereabouts never determined.
Roanoke Colony
The 1587 'Lost Colony' of Roanoke Island, where 115 English settlers vanished, leaving only the word 'Croatoan' carved into a palisade.
D.B. Cooper
The 1971 hijacking of Northwest Orient Flight 305 by a mysterious man who parachuted into the night with $200,000 ransom and was never identified or caught.
Sodder Children Disappearance
The 1945 Christmas Eve house fire in West Virginia where five of ten Sodder children vanished without trace, leading the family to believe they were not in the fire.
Flannan Isles Lighthouse Disappearance
The 1900 disappearance of three lighthouse keepers from the Eilean Mor lighthouse in the remote Flannan Isles of Scotland.