On Dreamland September 6, 2001, Ivar Zapp and George Erikson discuss a remarkable new theory of ancient navigation that is based on a group of mysterious stone spheres in Costa Rica. The alignment of these spheres implies the existence of a complex and world-girdling navigation system that must date from very ancient times.

The speheres themselves have been described by archaeologists as “out of context,” meaning that they do not fit established patterns of construction and architecture seen in the area. No attempt has ever been made to explain them or date them.
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