An independent archive of the unexplained

How deep will you go?

Conspiracies, paranormal accounts, internet mysteries, and stories too strange to file away. Search a topic, explore an iceberg, or follow a finished investigation.

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EXHIBIT 01 / ORIGINAL PUZZLE IMAGEFirst Cicada 3301 puzzle image
CASE FILE / 3301
Featured mystery · Internet lore

Cicada 3301

A trail of cryptographic puzzles appeared online in 2012. Who made them, and what was the point?

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The archive

Choose a way in

Browse topic notes, inspect the iceberg collection, or read a sourced investigation.

Searchable index

Topic archive

13,457 strange subjects to investigate. Imported notes are starting points, not verified conclusions.

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Visual collection

Iceberg graphics

Explore charts from across the internet, from familiar mysteries to their deepest layers.

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Sourced stories

Featured investigations

Read the stories we've researched in depth, with the evidence and open questions in view.

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Featured investigations

Follow the evidence

Finished stories separate the record, the theory, and what remains unknown.

Reviewed file · Internet mystery

Cicada 3301

An elaborate cryptographic hunt that moved from online clues to posters in cities around the world.

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Reviewed file · Historical mystery

Voynich Manuscript

A real illustrated manuscript in an unidentified script, preserved and digitized by Yale.

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Editorial approach

Curiosity with receipts.

These stories are entertaining because the line between record, rumor, and invention can be hard to find. Every finished file makes that line easier to see.

The storyWhat people say happened, told clearly.
What we can verifyRecords and reporting, linked in context.
What's still unknownClaims and uncertainty labeled plainly.