Nephilim are beings who appear in the Hebrew Bible, specifically in the Book of Genesis, and are also mentioned in other Biblical texts and in some non-canonical Jewish writings.
http://en.wikipedia.org/wiki/Nephilim

... Photos of Giant Bones The Neanderthal man and the Nephilim Hitler and the Aliens Photos of the Sumerian Giants "Gods" Ancient Mysteries, Giant Skeletons and Ancient Roads
http://www.returnofthenephilim.com/GiantsInHistory.html

Nephilim Skeletons Found? The Nephilim; Could The Anti Christ Be A Nephilim? Can Nephilim Be Saved? Salvation For Nephilim? ShareThis. This entry was posted on Saturday, July ...
http://www.gracethrufaith.com/ikvot/the-nephilim

Giants-Nephilim-Alien-Demon? - 3 min - Jul 12, 2006 Freethinker2012 () Rate: A video with picture of giant skeletons, and other rare pictures. Download video - iPod/PSP | Embed video
http://video.google.com/videoplay?docid=8534397625940239162

The conspiracy theorists say that the Smithsonian Institute has collected multiple Nephilim skeletons and have hid them. Also they reported that these Giants were also cannibals.
http://www.oprah.com/community/thread/76534?tstart=0