Are there tunnels under Nan Madol?
Countless storytellers tell of a network of underground tunnels beneath the ancient city of Nan Madol (Pohnpei, Micronesia). Is there any merit to these tales?
How were the Egyptian pyramids built?
It is a common claim that the construction of the pyramids are a mystery and archaeologists have no real evidence to figure out how they were built. As a result, alternative histories offer elaborate theories to try and explain the pyramids.