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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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United States

211 places in the atlas, 24 of them inscribed as UNESCO World Heritage.

Kinds found here

Earthworks104
Ancient villages86
Mounds71
Megaliths57
Archaeological wonders41
Buried cities35
Pueblos26
Ancient cities23
Tells22
Great houses13
Geoglyphs12
Pyramids12

How well established

Verified200
Accepted4
Hypothetical1
Pseudo6

Top regions

Ohio, Ross County10
Ohio8
New Mexico6
Arizona5
Georgia5
Arkansas3
Colorado

Filters

Verification

Pick several

Verified200 Widely accepted4

3

Arizona, Yavapai County, Verde Valley2

Contested

0

Pseudoarchaeology6

Category

Earthworks104 Ancient villages86 Mounds71 Megaliths57 Archaeological wonders41 Buried cities35 Pueblos26 Ancient cities23 Tells22 Great houses13 Geoglyphs12 Pyramids12 Rock art sites12 Settlements11

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Heritage

UNESCO World Heritage only

Excavation

Partially excavated129 Excavated61 Not applicable10 Excavation ongoing8 Unexcavated3

Tags

earthwork39 mississippian37 hopewell28 ancient village26 tell22 ohio19 buried city18 ceramics18 stratigraphy18 platform mound17 chaco16 new mexico15 americas14 great house14 pueblo14 arizona10 unesco10 adena8

1 place

Geoglyphs Widely accepted Clear all

🇺🇸 United States · Megalith

Bighorn Medicine Wheel

Late Prehistoric 1200–1700 CE · Plains Indians

24 m medicine wheel 28 spokes, solstice alignments.