Here are a few less-known subreddits I've been enjoying: https://www.reddit.com/r/ArtefactPorn/ https://www.reddit.com/r/ArtefactPorn/ -- active subreddit, lot

Here are a few less-known subreddits I've been enjoying: https://www.reddit.com/r/ArtefactPorn/ https://www.reddit.com/r/ArtefactPorn/ -- active subreddit, lots of interesting miscellaneous images of old historical items https://www.reddit.com/r/heraldry/ https://www.reddit.com/r/heraldry/ -- coat of arms, etc https://www.reddit.com/r/imaginarymaps/ https://www.reddit.com/r/imaginarymaps/ -- good for worldbuilders