Not fun, but cool. Couldnt be bothered to make a new topic for it.
Photo's that were made through a microscope for a competition from Nikon. Awesome!
http://www.nikonsmallworld.com/leaderboardJust a few that I like (many more on website above!):
Yanping Wang, Beijing, China
snowflake

Pekka Honkakoski, Iisalmi, Finland
Rare column snowflake with thin, knifelike ice extensions

Dr. David Maitland, Feltwell, UK
Double compound eyes of male Bibio marci. Larger.

Dr. David Maitland, Feltwell, UK
Eutrombidium rostratus (velvet mite)

Gabriel Luna, Santa Barbara, California, USA
Retinal flatmount of mouse nerve fiber layer

Dr. Igor Siwanowicz, Martinsried, Germany
Eyes of a Jumping Spider (Salticus scenicus)

Philip Hens, Linköping, Sweden
As grown surface of a silicon carbide single crystal

Marek Mis, Suwalki, Poland
Spirogyra sp. (green algae) filaments

Dr. Havi Sarfaty, Ramat-Gan, Israel
Mouth of common fly
