Dogs on Bikes.

Yup.  Link.

Cute Pennyfarthing Pic

Lots more cute pix of folx having fun on pennyfarthings, trikes, unicycles, and more.

Link.

Balloon-Tire Penny Farthing

It's like a beach-cruiser pennyfarthing.

There are few more good ones on the Link.

Safety Bike

Ain't not.  Crimethinc is pretty cool though.

4-Wheel Suicide Unicycle

I'm a sucker for a unicycle with suicide wheels.

Link.

Badass Pixie

Looks like a pretty akward riding position.

Link.

Spinners on a Trike

siiiiiiiiiiiiiiiiiick.