ROCKFALL TEXAS-COMPLETE WITH A SKULL OF A GIANT!--- A RECTANGULAR WALL FOUND MORE THAN 100 YEARS AGO IN TEXAS, MAY BE AN ANTEDILUVIAN REMNANT.
THE LOST SECRETS OF ANCIENT AMERICA VOLUME ONE 22 MINUTE SNEAK PREVIEW
more @ http://ancientexplorers.com/blog/rockwall-an-american-secret/