I had the pleasure of shooting a very unique group of people travelling through my quaint little town earlier this month.  They're called "The Pain Tribe" and they hail from New Orleans.  Here's a small sampling of their work:

The Warmup:

The only performer to make it off the stage:

...but not without her reigns:

Standing on a single sword:

One-Hook and some super-heat-suction-cup-trick I can't think of the name for:

Laying on broken glass; then getting a lapdance:

Self-piercing:

Marionette (hooks through forearms):