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.
1982
1997
2002
1955
1977
1986
1984
1972
2001
2017
1979
1999
2018
2013
1995
1985
1988
1998