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In a mysterious pyramid in China's Qinghai Province near Mount Baigong are three caves filled with pipes leading to a nearby salt-water lake. The pipes may be about 150,000 years ...

Out of place in time? Mike Mikesell broke a diamond saw blade cutting through a rock at a ...

These spheres are said to be more than 2.8 billion years old, almost perfectly balanced, with grooves carved ...

An 18th century discovery of man-made objects under layers of limestone is evidence, some say, that humans existed ...

Did rock form around this man-made vessel 500 million years ago or were those who found it mistaken?

Some researchers believe that 32,000 figures found in Mexico could offer a different story of human history.

Some believe this stone reveals evidence of ancient technolgy.

One man is convinced that he has unearthed a genuine relic of either ancient manmade or alien technology.

At first glance, this rock-encrusted wood and iron relic seems innocent enough, but some insist that it could ...