Evidence-based exploration of the world's greatest unsolved mysteries. No sensationalism. Just curiosity, research, and the facts as we know them.
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In 1925 Colonel Percy Fawcett walked into the Amazon to find a lost city he called Z, and was never seen again. Decades later, archaeology found the city.
In 1980, three Texans met a flaming diamond craft escorted by 23 helicopters. Their radiation injuries were documented. The government owned nothing that could explain it.
Hundreds of bones sit in a Himalayan lake at 16,470 feet. A 2019 genome study was supposed to end the mystery. Instead it found people who should not be there.
In 1828 a dazed teenager appeared in Nuremberg with a strange letter. Was he a lost prince? Three DNA tests later, the answer still slips away.
In October 1967, witnesses watched a 60-foot object with four lights dive into the sea off Nova Scotia. The Navy searched for days and found nothing.
In 1997, NOAA hydrophones caught a sound louder than a blue whale from an empty stretch of the South Pacific. The ice theory answered part of it.