All investigations related to historical enigmas.
Who is Cicada 3301? Explore the cryptographic puzzles that stumped the internet from 2012 to 2014, the Liber Primus, and the theories about who's behind it all.
In 1922, six people were murdered on a remote Bavarian farm. The killer stayed for days. Footprints led in but never out. The case remains unsolved.
Between 1923 and 1951, a 100-pound Latvian immigrant single-handedly carved and moved over 1,100 tons of coral limestone in South Florida. His methods remain disputed to this day.
Erected anonymously in 1980 with ten guidelines for humanity in eight languages, the Georgia Guidestones stood for 42 years before being bombed in 2022. Who built them, and why?
In 1888, at least five women were murdered in London's Whitechapel district by an unidentified killer. Over 100 suspects have been proposed, but Jack the Ripper's identity remains history's most famous unsolved case.
Since 1795, treasure hunters have spent millions digging into Oak Island's Money Pit. From pirate gold to the Holy Grail, here's what they've found and haven't.
A 600-year-old manuscript written in an unknown script with bizarre illustrations has defeated every codebreaker who's tried. Here's what we know about the Voynich manuscript.
Between 1968 and 1969, the Zodiac Killer murdered five people in Northern California and taunted police with coded letters. Over 50 years later, he's never been identified.
In 1590, 115 English colonists vanished from Roanoke Island without a trace, leaving only the word 'CROATOAN' carved into a post. What happened to them remains America's oldest unsolved mystery.