Author Brian Foerster explores the possibility that a technologically advanced civilization existed in the areas of Machu Picchu, Ollantaytambo and PumaPunku in Peru, long before the Inca Empire.
1988
2001
1998
2015
1997
1979
1982
1987
2005
1996
1984
1990
2014
2016
2002
1986
2007
1959