Unicorns around the web:

Kiri Ƙstergaard Leonard Art
Amazing unicorn art from her "The Year of the Unicorn" Album.
All About Unicorns
Information, legends, and pictures of unicorns of every imaginable type.
Thats So Unicorny
Unicorn art of the Day
Wikipedia
The unicorn is a legendary creature that has been described since antiquity as a beast with a single large, pointed, spiraling horn projecting from its forehead.
Reddit Unicorns
For unicorns, by unicorns. What you want when you want it.