nostr:npub1ldghxn0v2n2s80z0ye8kc33ycqpv2gwyrc4hnp3a3u5ch7r0wctqlws4ek - thanks!  Here's the lighthouse on North Rona, which was a religious settlement until 1680.

https://www.nlb.org.uk/lighthouses/north-rona/

https://media.mathstodon.xyz/media_attachments/files/111/153/355/900/807/892/original/86d2fee3c9679327.jpg