Evidence-based exploration of the world's greatest unsolved mysteries. No sensationalism. Just curiosity, research, and the facts as we know them.
Explore Mysteries→
In the 12th century, two children with green skin appeared in a Suffolk village, speaking an unknown language and claiming to come from a land without sun. Their story has never been explained.
Discovered in a Roman-era shipwreck, the Antikythera Mechanism is an analog computer of staggering complexity — and no one can explain how ancient Greeks built it. Explore the mystery of this impossible artifact.
Over 10,000 sightings, centuries of Indigenous legends, and one iconic film. Explore the evidence, theories, and science behind the Bigfoot phenomenon.
Discover the Bimini Road, a mysterious half-mile underwater limestone formation near the Bahamas. Explore the theories, science, and Edgar Cayce connection.
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 July 1518, a woman in Strasbourg began dancing in the street and couldn't stop. Within weeks, 400 people had joined her. Some danced until they collapsed or died.