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.
1962
2013
2019
2016
1989
1997
2015
1990
2018
2024
2005
2023
2020
2014
2006
2004
1972