Did you know that in Japan there is a festival celebrating the penis and a similar one for the vagina? It, er, comes complete with genital-shaped candies, carved vegetables and enormous carved genitalia that are paraded through the streets and brought to the local shrine.
This story has a description with slideshow.
To give you an idea of the festivities, here are some photos:
and souvenirs:
Seems to me like a very worthwhile celebration. Though the picture of the old man praying to the carved wooden penis was a bit creepy.