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

Tagspenwith-builders

#penwith builders

1 place carries this tag, across every kind and continent it appears in.

Filters

Verification

Pick several

Verified1 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

Category

Megaliths1 Stone circles1

All categories →

Country

🇬🇧United Kingdom1

All countries →

Heritage

UNESCO World Heritage only

Excavation

Partially excavated1

1 place

✓Verified

🇬🇧 United Kingdom · Megalith

Nine Maidens — Boskednan Circle

Late Neolithic · Penwith builders

Nine Maidens — Boskednan Circle in Cornwall, England, United Kingdom is a Late Neolithic megalithic attributed to Penwith builders.