Lemmy is so good right now for no particular reason
The instance you make your account on doesn't matter, as they're federated you can see and interact with posts from anywhere else.
You can check out the Lemmy community browser to see a list of the most visited communities, then search for them in https://lemmy.world/search to subscribe/post/comment. (note: beehaw.org communities arent accessible from lemmy.world, so ignore those)
Cherry Blossom Flowers Close Up [3067x4601]
Credit: https://www.pexels.com/photo/pink-cherry-blossom-flowers-in-close-up-photography-7305994/
Mountain at Night [3000x4500]
Credit: https://www.pexels.com/photo/mountain-at-night-under-a-starry-sky-1624496/
Lonely Planet [2876x3600]
Credit: Unknown (If you can find the artist, please comment and I'll add them here!)