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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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© 2026 Mysteria. Exploring the ancient world.Map © OpenFreeMap · OpenMapTiles · OpenStreetMap contributors

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Places tagged 12th 13th · Mysteria

Tags12th-13th

#12th 13th

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

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Verified1 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

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Pyramids1 Unfinisheds1

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✓Verified

🇪🇬 Egypt · Pyramid

Mazghuna South Pyramid — Late 12th Dynasty Mudbrick Unfinished

Late Middle Kingdom (late 12th Dynasty c.1800 BCE) Amenemhat IV?/Sobekneferu? · 12th–13th Dynasty transitional late Middle Kingdom

Mazghuna South excavated by Petrie 1910 report Ernest Mackay 1911, unfinished late 12th structure with massive quartzite.