Everyone should invest in a decent microscope. Whether it's some soil or a drop of pond water there is an absolutely insane amount of life that escapes the naked eye. Easily one of the best couple hundred dollars I've spent in my life.
https://www.tiktok.com/@madscientistken
This guy does live streams almost nightly and I've found myself entranced more than I'd like to admit.
This article and tiktok make me want a microscope.