I try to keep an open mind to things I can't disprove.
Plus I like to think that there are things that nobody knows about. . . that are right under our nose and haven't been discovered.
Yonaguni is particularly intriguiging. . .
http://en.wikipedia.org/wiki/Yonagun...bed_structures
It would explain the universality of flood stories and of monolithic architecture if it is manmade.