http://www.theblaze.com/stories/this-is-scary-would-you-soar-through-pine-trees-on-a-roller-coaster-with-no-breaks/The article doesn't give too much info, but it has two videos that show you what is up. These little carts fly down the mountain side at high speeds with nothing to slow them down but friction. I want to try this, but it is all the way in Austria.
