This site is one of the building blocs that Graham Hancock uses to paint an alternate prehistory, involving a forgotten antediluvian civilization that was supposedly responsible for transmitting esoteric seeds of civilization to such disparate places as North America, Mesopotamia, Central America, Polynesia, Indonesia and more. He builds on older, fantastical stories about Atlantis, the lost continent of MU and others and has quite a following.
He is most certainly wrong about most of it. But the notion that prehistory still holds a lot of amazing things waiting to be discovered, much of it buried deep in the oceans after the sea rise that occurred after the glaciers of the last ice age melted away just 10.000 years ago or so is most probably true.