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.

Data CC BY-SA 4.0 · Photos per credit

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Widely accepted places tagged “refuge”

2 places 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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2 places

Widely accepted

🇸🇪 Sweden · Earthwork

Stavgard Ringfort (Gotland)

Migration Period to Vendel Period (c.400–800 CE) · Gotlandic Iron Age

Pre-Viking ringfort (fornborg) on Gotland's southeast, circular limestone wall 80–100 m diameter enclosing 0.5 ha, with inner house terraces and Iron Age ceramics.

≈Accepted

🇳🇬 Nigeria · Rock art

Kagoro Rock Gongs

Iron Age to Kagoro Kingdom (500 BCE–present) · Nok / Kagoro (Southern Kaduna)

Quartzite gong field (6 slabs) with Kpop fort walls (2 km).