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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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Tagsrock-lake

#rock lake

1 place carries this tag, across every kind and continent it appears in.

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Verified0 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology1

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Archaeological wonders1 Contested sites1 Earthworks1

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🇺🇸 United States · Earthwork

Rock Lake – Aztalan's Sunken Pyramids Claim

Late Woodland effigy mound period (700–1200 CE) · Late Woodland effigy-mound builders (ancestral Ho-Chunk)

Contested submerged 'pyramids' in Wisconsin lake beside verified Woodland effigy mounds on shore.