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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Partially excavated places tagged “triadic”

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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Verified6 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

2 places

Murals

Partially excavated

🇬🇹 Guatemala · Archaeological wonder

Nakbe

Maya Preclassic 1400 BCE–100 CE · Maya (Mirador Basin Preclassic)

46-m Preclassic triadic pyramid, earliest monumental Maya 1400 BCE.

✓Verified

🇬🇹 Guatemala · Pyramid

Yaxhá Pyramids

Preclassic 1000 BCE – Late Classic 900 CE; peak 600–900 CE · Maya (Yaxhá kingdom)

Major Late Classic lakeside Maya city 237 structures and 40 stelae on Yaxhá Lake isthmus: Twin North Acropolis, East Acropolis triadic Temple 216 (26 m high, painted red, largest in Yaxhá, second…