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.
2013
2014
2016
1974
2008
2024
1990
2009
1965
1997
2010
1980
1994
1986
2018
1998
1957
1954