Another fan of tiny things, Patricia at Bo Press makes the tiniest, most detailed miniature books I've ever seen. They're exquisitely made, and you can tell she's put a lot of love and energy into making these books on her Etsy shop. Here are some examples:
And in addition to tiny bound and illustrated books, there are a number of intricate boxes and curiosities, including astronomical models that make me wish I had a lovely dark den with walls of leather bound books and glass cases of antiquarian collectables, so I could place this on my giant oak desk next to my magnifying glass and ink well:


