Throughout the world there are mysterious ancient stones shaped into perfect spheres. Many of them show clear evidence of being manmade and some completely defy explanation. Could the mystery of the stone spheres provide clues about humankind's alien past?
Chachapoya Cloud Forests
Peru · Chachapoya
The show references mysterious stone spheres and structures in the Chachapoya region as potential evidence of ancient alien influence in South America.
Costa Rican Stone Spheres Sites
Costa Rica · Diquis Culture
The show examines Costa Rican stone spheres as evidence of ancient alien contact, suggesting their perfect geometry and construction defies conventional explanation.
Sarmizegetusa Regia
Romania · Dacian
Ancient Aliens may reference mysterious stone spheres and circular structures at ancient sites as potential evidence of alien contact. The show suggests perfectly formed stone spheres found worldwide defy conventional archaeological explanation.
Stone Spheres of Bosnia
Bosnia and Herzegovina · Unknown
Ancient Aliens suggests the Bosnian stone spheres are artificial alien artifacts of immense age, predating known civilizations. Their uniform sphericity is presented as evidence of advanced non-human technology.
Stone Spheres of Costa Rica
Costa Rica · Pre-Columbian
Ancient Aliens claims the perfectly spherical stone balls of Costa Rica were created by aliens as territorial markers or navigation beacons. Their precise geometric form is presented as inexplicable through conventional archaeological understanding.
Tiwanaku
Bolivia · Tiwanaku
Tiwanaku is referenced as an ancient site with mysterious stone construction that the show suggests may indicate alien intervention in South American civilizations.