This article is from the Prophecies of Nostradamus FAQ, by firstname.lastname@example.org.
I p304: Atlantean civilization existed and the people could work
stone with energies the way modern man uses concrete or metal.
Physical evidence of Atlantis is spread around the world, one site of
the civilization was in the Atlantic on a now-submerged island. The
civilization was destroyed when the earth plunged through an asteriod
field, either through accident or the deliberate intent of aliens who
felt "threatened" by advancing civilization.