A relatively new 'sky sport' out there makes use of a wing suit. Want one yourself? You'll first have to log at least 200 sky-diving jumps just to buy one. Here, via Gizmodo, Jeb Corliss jumps on a beautiful day, but cuts it just a little too close... Luckily, for those that have the stomach for it, we have a first-person view thanks to a helmet-mounted GoPro.
Here's a more common video of Jeb Corliss that's been circling the web -- these guys fly so low!