The World's Smallest Snowman is 10 µm across, 1/5th the width of a human hair. The snowman was made from two tin beads used to calibrate electron microscope astigmatism. The eyes and smile were milled using a focused ion beam, and the nose, which is under 1 µm wide (or 0.001 mm), is ion beam deposited platinum.
Night of the Cephalopods Shoot eldritch floating squid monsters with a shotgun as a horrified narrator describes your every move. Requires download, and is Windows only, I'm afraid. via
Talking Squids in Outer Space : The Pinnacle of Science Fiction