Ancient underwater ruins is always a fascinating discovery, but in many cases they are tough to find.
http://www.altering-perspectives.com/2013/06/giant-pyramids-and-sphinxes-found-in.html
The legend of Atlantic implies that an ancient civilization eventually collapsed & literally fell below sea level.
http://www.altering-perspectives.com/2013/05/the-atlantean-conspiracy.html
Egypt may have partially been an echo of Atlantis & still has many secrets.
http://www.altering-perspectives.com/2013/06/11-things-you-didnt-know-about-ancient.html
http://www.altering-perspectives.com/2013/06/ancient-african-coins-could-rewrite.html
Puzzling ancient sites.
http://www.youtube.com/watch?v=YDITtbrFj80
