An unlikely source for interesting trivia.
Read a page of the Guardian Style Guide
Anything which jumps out at you as interesting, find its Wikipedia page and read further.
Take notes on any words you find delightful.
The Guardian Style guide is the internal, but publicly shared, resource for journalists – guidance on how to use specific terms, words, names and phrases, that might be challenging in their usage.
It’s full of little surprising bits of trivia and wonderfully written.
There are few things in the world like dictionaries where you can cram in so much ‘thought starters’ for things to take you down rabbit holes of discover. Pick a term and read more around it, or simply learn a few things by reading.