What do you find relaxing in WoW?

A few things come to mind:

I remember AFKing in the Karazhan lobby to listen to the music while I studied back in college. The music has been pretty somber and calming there, in my opinion. The Burning Crusade soundtrack has gotten me through some tough study days!

A nice flight around the continents never hurts either. I forgot about the hidden gems throughout Azeroth from time to time, so it's pretty relaxing to step back from raiding and just experience the world.

I also enjoy slowing down and reading through quests and lore in the game that I haven't revisited in a long time. I stick pretty much to one or two main characters, so there's still a ton of story that I haven't visited in many years that is waiting for me. Every now and then I'll create a new character and play through the first 10 levels or so as slow as I can, just to relive some of the fun moments. I think that's one thing I always try to recommend to a newer player - since I've always loved Warcraft's story and lore, there's almost nothing quite as calming to me than to relax and learn more about the story before you get to the more stressful environments of the game.