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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Megaliths tagged “woodland”

4 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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Verified4 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

4 places

Megaliths

🇺🇸 United States · Earthwork

Old Stone Fort

Middle Woodland 80–550 CE · Middle Woodland (Hopewell-related)

2.75 km stone-walled hilltop enclosure, solstice-aligned, 80–550 CE.

✓Verified

🇺🇸 United States · Earthwork

Pinson Mounds State Archaeological Park

Middle Woodland 1–500 CE (Pinson phase) · Middle Woodland (Pinson Mound culture, Hopewell-influenced)

Largest grouping of platform mounds in Tennessee and largest Middle Woodland earthwork complex: 17 mounds (12 platform, burial, effigy) in 1,200-acre Forked Deer River park, with Saul's Mound (Sauls’…

✓Verified

🇺🇸 United States · Earthwork

Rock Eagle Effigy Mound

Archaic–Woodland 1000 BCE–1000 CE · Woodland / Archaic

36.5-m quartz eagle effigy, 1000–500 BCE.

✓Verified

🇺🇸 United States · Earthwork

Letchworth-Love Mounds Archaeological State Park

Woodland Weeden Island 200–800 CE · Weeden Island (Swift Creek)

14 m platform mound, largest Woodland mound in Florida, 200–800 CE.