Evidence-based exploration of the world's greatest unsolved mysteries. No sensationalism. Just curiosity, research, and the facts as we know them.
Explore Mysteries→
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.
In 2013, Elisa Lam was found in a water tank atop the Cecil Hotel in LA. The elevator surveillance footage went viral. Here's what really happened.
Fast radio bursts release as much energy in a millisecond as the Sun does in three days. Discovered in 2007, their origins involve magnetars, but the full picture is still emerging.