Right... But how does one find it.

Does one have to tilt their trolley at every pillar on every train platform. Or find a friendly worm type thing to show them hidden entrances?

It's work and we need to re-establish a true net of websites, webrings and all the other forgotten stuff that was made obsolete by search engines. Here's my contribution:

https://mglz.de/links.html

I'm not sure, I think it's better to keep it private and dispense it through closed communities. These things don't work unless there is a lot of personal interest between each website creator, so just dumping them into a big list isn't great. I think the best modern approaches I've seen have forums/Discord servers organised around a topic, such as making demos or sizecoding, and then people sharing their sites and projects within those spaces.

Discord is a walled garden and is not searchable, so knowledge posted there is lost very quickly and is super hard to discover. Static HTML has its limits, but has much better longevity.

The latter