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.
1966
1986
1993
2001
2025
2007
2024
2018
2008
2017
2014
1985
2019
2022
2002
2003
2021