http://www.phreeque.com/
Although it is not PC, it's still interesting to see.
And on the matter of Sideshows with born freaks, I think if it isn't too exploitative and the born freaks choose to go into this line of work that it isn't that bad. And my use of the term freak is not meant to be deragatory, just a technical term for the types of performers.
And on that matter, I was looking up icthyosis, and I found this variant on it:
http://www.ispub.com/ostia/index.php?xm ... lequin.xml
The example shown in the picture will creep the f**k out of you.