No Such Thing as a Fish - It's light and comedic, each presenter explains a little known bizarre or extraordinary fact and the others riff off from it. There's no specific discipline of study it follows, and it doesn't do any deep dives, but it's fun to listen to while doing the dishes.

99% invisible.

The Memory Palace.

The History Listen on ABC Radio National (Aussie)

Adam Ragusea's Podcast is pretty informative, though I think it's mainly focused on food topics.

Mike Duncan's History of Rome?

The Rest is History

No Such Thing As A Fish

More Or Less

Mr. Ballen is good if your into true crime and random medical mysteries.

Sex Nerd Sandra. Learn about all kinds of weird and interesting stuff about sex and sexuality.

I've been binging Misquoting Jesus with Bart Ehrman and am really enjoying it. The host has no annoying speech disfluencies and she asks intelligent questions, and Bart Ehrman is always informative and entertaining, plus the little segments at the end and the way they are introduced are also entertaining. Makes me feel like I'm listening to a Monty Python podcast.

I listened to the Tim Ferris Show a lot. These days I only listen to guests interesting to me.

I only listen to disturbing podcasts.

"Dark Histories" has some disturbing ones, as it is usually about strange events or Indeed murders, but the descriptions of the episodes allow you to weed through it, and leave those ones out.

I really enjoyed the ones about "Gef the mongoose" or the disappearance of the man who invented the first moving pictures. It goes deep into the history and times surrounding the stories which is very cool, so its main focus is history and society.