There is this pogo stick that can jump a minivan. It is called the flybar 800. They have come out with a bunch of new pogo sticks that can jump really high.
Video: http://www.youtube.com/user/pogofred?blend=4&ob=5#p/u/56/S_MUbtoSosU
Video: http://www.youtube.com/user/pogofred?blend=4&ob=5#p/u/56/S_MUbtoSosU