Many popular authors suggest possibility that mysterious sites around the world were created with help of advanced knowledge and technology (possibly more advanced than our current one) possessed by lost civilizations.
Others do not believe that there ever was very advanced civilization on earth and all of the superb knowledge was handed down to us by ancient astronauts who came down from heaven.
Most scientists do not subscribe to any of these ideas and try to explain ancient enigmas on the ground of religion and ritual...
In this section we are presenting few sites that are still causing controversy in the scientific community.
