Matthew Barney's 6 part epic, The Cremaster Cycle: the best series of films about the descending of testicles you're ever likely to see. Each film was sold in a limited run of 100 for about $AUD 200,000 each.

I managed to get my hands on entire copies of parts 1-4 via my rich friend, who drives a Mini Nova.

But here is the trailer courtesy of YouTube...