Atlas Places Categories Resources Discuss

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.

Data CC BY-SA 4.0 · Photos per credit

Explore

Atlas map
All places
Categories
Countries
Contested & pseudo

Community

Theories & discussion
Lists
News & resources
Submit a resource

Mysteria

About the atlas
Data & verification
Licenses & credits
Create an account

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

Search Mysteria

Search places, or jump to a section

The catalogue

Places tagged “earthwork” matching “Northern State”

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.

Filters

Verification

Pick several

Verified52 Widely accepted2 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

Category

Earthworks52 Megaliths22 Mounds17 Archaeological wonders12 Ancient cities10

Country

🇺🇸United States39 🇳🇬Nigeria6 🇧🇷Brazil3 🇬🇧United Kingdom2 🇯🇵Japan2

Heritage

UNESCO World Heritage only

Excavation

Partially excavated39 Excavated11 Unexcavated2 Buried2

Tags

earthwork54 hopewell14 ohio13 adena7 unesco6 mississippian5 americas4 louisiana

2 places

Geoglyphs

7

Ancient villages5

Ceremonial centers3

Platform mounds2

All categories →

🇬🇭Ghana

1

🇪🇨Ecuador1

All countries →

4

“Northern State”

🇬🇭 Ghana · Ancient city

Bono Manso (Bono State Capital) – Northern Akan Metropolis

Late Iron Age / Akan · Akan-Bono

Crowned hilltop capital of Bono (Bono Manso) 13th–18th c, mother of Akan gold kingdoms (Mampong, Asante).

🇳🇬 Nigeria · Fortress

Gobir Citadel of Gidan Sabon Birni

Sokoto period (19th c. CE; Gobir resistance) · Hausa (Gobir)

Late Gobir fortified birni (4.2 km) after 1808 fall of Al Kalawa.