*** LINKS ***
Backwards Bike
Backwards Tandem Bike
Rowbike Tandem
http://www.youtube.com/watch?v=zvPucDbmUPo
Pedal Pub
Milestones of Science: The Dandy Horse
http://www.youtube.com/watch?v=-DODYTaZARg
Penny-Farthing
http://www.youtube.com/watch?v=xYBGDPjDVQs
How To Mount Penny Farthing
Tall Bike + Tricks
44-Foot Tall Bike
Street Unicycling
MonsterBike
Hyperbike
Monowheel
Monocycle
Riot Wheel
Hoverbike
Quadcycle
Fun Bike by Todd Barricklow
Drill-Powered Bike
Lunarctic Hubless Wheel Prototype
Jetrike
Max Skate Bike
Skatecycle
http://www.youtube.com/watch?v=TDNufcfCndU