So far, no one can explain what these brands are and what their origins.
A forest that existed about 290 million years ago was found in Paraná, Brazil.
In the days leading up to the Chernobyl disaster, workers at the nuclear plant claimed to have seen a creature known as the “Black Bird”.
Most astronomers believe that if a human were to fall into a black hole, they would be sucked in by gravity and destroyed, but a new study suggests that if someone went through this experience, they could survive and erase their past.
A British tech businessman seeks help repairing a Cold War-era radar antenna and turning it into a UFO detector.
The secrets revealed of the incredible city in the clouds built by the Incas.
Archaeologists from Turkey discovered the ruins of a castle belonging to the Urartu civilization during underwater excavations in Lake Van.
An ancient passage full of creepy wooden statues was discovered in Peru, in the abandoned city of Chan Chan.