Top 10 Biggest Jumps Ever

What makes people want to jump off cliffs, buildings and out of planes? What kind of crazy person thought of doing a double back-flip on a motorbike and what drugs were they taking to actually go out and try it?

I'm not a phsychiatrist, doctor or philosopher and honestly I don't care what makes these people insane as long as its caught on video... and no one gets hurt of course.

And here's an extra little something that's a bit more tame, but potentially just as deadly! (metal business cards anyone?)