All About Penises - Penises on the Web
All About The Penis - Lots of free information on the Human Penis. There's also a clitoris site, but you have to pay. Smaller is more valuable in this case, one would think.
Puppetry of the Penis - Can you imagine taking your penis on the road for a roadshow of monumental proportions? People do. (They're having auditions, if you're of a like, um, mind.)
Penis - Wikipedia - Here's what you get when you try to get serious about the penis on the web.
Penis Size Chart - See how you or a loved one measures up.
Penis Owner's Manual - Writing an article on the penis and need to know some cold facts, like the estimated replacement value? Find it in the manual.
Woody's World of Penis Euphamisms - Need a good euphamism to shout out while having wild sex next to your granny's bedroom? Go here. Bald-headed yogurt slinger?
Selfellatio - Doing it yourself never looked to weird.
Big Dick Lit - The literary dick is so much better than the ones you wank at the 7-11.
(A note about the penis picture up there. It was found in Pompeii. An erect penis, to the Romans, was a good luck symbol. So stop snickering.)
Recommended Books on the Penis and its Use
Be Sure to check out the second, a highly rated book called Scientifically Guaranteed Male Multiple Orgasms and Ultimate Sex. Highly rated.