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Brochs.forts.im

History
How they worked
The brochs
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BC or AD?

Did each event happen BC or AD? Pick one for each card. Every answer is sourced.

Useless’s field notes: up the broch stair

Mousa has the smallest diameter of any broch, but the thickest walls. I am small with thick walls too. It is called being an eraser.

— U. (tap me for another)

Thanks for visiting. Next time you see a round stone tower in Scotland, look for the gap between its two walls.

Brochs

The history, from the first settlers to today
How they worked
The brochs, place by place
People & sagas
Spotting a broch

Odds & ends

The big facts page
Myths vs facts
FAQ
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Useless’s field notes
When sources disagree

Helping

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The network

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About the network

brochs.forts.im is part of the ReallyByte network, run by REALLYBYTE, based in the Isle of Man. General information, checked against the sources listed: Historic Environment Scotland, UNESCO’s Tentative List, the Shetland Amenity Trust, the Department for Culture, Media and Sport and GOV.UK. Every fact was checked on 3 Nov 2026, and where sources disagree we show each one. This site gives no travel advice. Not affiliated with Historic Environment Scotland, UNESCO, the Shetland Amenity Trust, the RSPB, any government, the UK government or any museum. Their names, and the names of the places they look after, are used only to identify the places and sources discussed. All pictures are our own simplified drawings: not reconstructions, not scale plans, and not copied from any site plan, map, guidebook, scan or photograph. As an Amazon Associate I earn from qualifying purchases. No cookies; privacy-friendly visit counts via GoatCounter. Privacy | Contact | Support this site

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