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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Excavated world heritage places tagged “old kingdom”

3 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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Verified48 Widely accepted5 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

3 places

Hydraulic works

🇬🇹Guatemala

UNESCO World Heritage

🇪🇬 Egypt · Pyramid

Pyramid of Djedkare Isesi

Old Kingdom, 5th Dynasty · Ancient Egyptian

Southernmost major pyramid at Saqqara: 5th Dynasty Djedkare Isesi (c.2414–2375 BCE), 52.5 m high originally, now 24 m ruin with early Pyramid Texts tradition.

✓VerifiedUNESCO

🇪🇬 Egypt · Pyramid

Great Pyramid of Khufu

Old Kingdom, 4th Dynasty · Ancient Egyptian

Only surviving Wonder of Ancient World: 146.6 m limestone pyramid of Khufu (Cheops), 2580–2560 BCE, 2.3 million blocks, internal King's Chamber with relieving chambers and ascending/descending…

✓VerifiedUNESCO

🇪🇬 Egypt · Pyramid

Pyramid of Khafre

Old Kingdom, 4th Dynasty · Ancient Egyptian

Second largest Giza pyramid, built for Khafre, retaining Tura limestone casing at apex, with associated Sphinx, valley temple and causeway.