Cool! Rad! Awesome websites!
I'll add things here as I find more, interesting places to recommend
I've already spent so damn much time browsing the websites there, and they're all really awesome. So while I don't have a cool list to put in here, why don't you go check'em out as well?
Everybody loves creating silly Piccrew stuff! And Weird/Dreamcore! Go make some.
An AI Art Generator! It's incredible, there are some gorgeous results that I'd love to buy a print of. Totally worth it!