Flying Bicycle: $45,000
Remember Elliot from E.T. when he hops on his bike and takes off--really takes off above 500 feet above ground. Now you can be airborne, too, with Hammacher Schlemmer's para-trike aircraft. It has a 3-bladed carbon fiber propeller for an airspeed of 25 mph, and go 75 miles on a full tank. (Don't forget your helmet!)
