To this day, no one knows for sure what happened to the first English settlement in America.
Stories about lost cities full of riches were prevalent in medieval times and several of them remain to this day.
Treasure hunters have searched for the Holy Grail for centuries, and hundreds of people have claimed to possess it.
A British tech businessman seeks help repairing a Cold War-era radar antenna and turning it into a UFO detector.
The intriguing tales of sky beings called Wandjinas who are believed to be the creators of the land and people.
Although they are a great archaeological find, the origin of the stone spheres remains a mystery to mankind.
The history of humanity's oldest civilization are being revealed with the help of Artificial Intelligence.
A new way of thinking is emerging about how different areas of physics could be connected to create a model that unites traditional scientific thinking with new ideas in quantum physics.