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.
2023
1978
1980
1954
1962
1986
1998
1967
1955
1981
2025
2014
1989
—
2008
1968
1953
2024