An atlas of Earth’s mysterious places — megaliths, pyramids, lost and sunken cities — with the evidence shown plainly: what is verified, what is contested, and what is still unknown.

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Pyramids tagged “biosphere”

1 place to sift through. Narrow by kind, country, period or how firmly each one is established — contested and pseudoarchaeological claims are labelled here, never hidden.

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Verified1 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

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✓VerifiedUNESCO

🇲🇽 Mexico · Pyramid

Calakmul

Late Classic Maya · Maya (Kanul dynasty)

Powerful Classic Maya superpower (capital of Kanul Snake Kingdom, 6th–9th century) with 6,750 structures, twin reservoirs and stelae. Structure II is massive layered pyramid.