http://www.livescience.com/26903-35-ancient-pyramids-sudan.html
Ancient structures are always fascinating to behold.
http://www.nbcnews.com/id/50719069/ns/technology_and_science-science/#.URPgqx0hiSo
Many ancient buildings were built for symbolic purposes, but sometimes peculiar things are discovered.
http://www.abovetopsecret.com/forum/thread924436/pg1
http://en.wikipedia.org/wiki/Sudan#Prehistoric_Sudan,
http://en.wikipedia.org/wiki/Nubian_pyramids,
http://en.wikipedia.org/wiki/Jebel_Barkal#Gallery
So far, the largest commonly known pyramids are in Egypt.
Christopher_Dunn has made several astounding observations about the big pyramids. http://www.gizapower.com, http://www.gizapyramid.com/bio-dunn.htm
http://desertshapes.blogspot.ca/2008/07/lion-portals.html,
http://desertshapes.blogspot.ca/2013/02/desert-mysteries.html