What websites do y'all like to spend too much time on that probably fly under the radar in popularity? I'm in need of a new site that I can get lost in when I'm bored as I've read almost everything on my favorite site.

This has been my go to site when I have extra time.
https://waitbutwhy.com/

The guy writes on a bunch of different topics and he likes to draw little doodles with whatever he writes about. When he does write he goes very in depth for the most part but he also has some mini sections talking about lesser things of your short on time. Topics can range from your purpose in life to an episode of jeopardy.

An example of one of his longer topics
https://waitbutwhy.com/2018/04/picking-career.html

Also a shorter write up
https://waitbutwhy.com/2016/06/the-triangle-puzzle.html