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.
1975
1986
2024
1959
2008
2000
2018
2001
1988
2009
2005
2002
2006
1985
2007
1989
2025
1966