Tiwanaku - Mysteries

Tiwanaku: The Stone City on the Roof of the Andes

November 11, 2026 by Tommy Hayes

The Gate of the Sun at Tiwanaku, Bolivia — a massive carved stone doorway with a frieze of figures across its top, standing on the dry Altiplano under a clear blue sky

About 6 min readHigh on the Bolivian Altiplano, the builders of Tiwanaku raised a city of precisely cut stone more than a thousand years before the Inca — then, around 1000 CE, they abandoned it, and no one knows exactly why.

Puma Punku: The Stones That Launched a Thousand Alien Theories

November 8, 2026November 7, 2026 by Tommy Hayes

Massive precision-cut stone blocks scattered at Puma Punku, Bolivia

About 4 min readOn a windswept plain 3,850 metres up in Bolivia lie stone blocks cut with near-millimetre precision — some weighing 131 tonnes. Ancient-alien theorists say no human could have made them. The archaeology says otherwise.