Artist Dowling Duncan redesigns America's paper money, giving each note a different length & color and assigning meaningful imagery that relates to its value.

Money doesn't grow on trees anywhere in the world, but some trees in Britain are laden with the coins of people who have passed by through the years.

Manhole cover and storm drain art is actually a great way to spice up an otherwise mundane, and let's face it, gross aspect of the dirty city streets.

These 16 robots can save fish from danger, spray graffiti, help disabled people regain mobility, squeeze ketchup, stop your snoring and perform exotic dances.

These 10 roving robotic explorers were designed to roll over unearthly alien terrain where no one has gone before, and where no roads await their wheels.

Artist Ayaka Ito and programmer Randy Church team up to produce 'Scribbled Line People', an amazing series of 3D digital portraits that resemble sculptures.

Beams of colored light, murals crafted from tape, unexpected messages and jaw-dropping sculptures turn abandoned places into guerrilla art galleries.

Roombas mounted with LED lights in various colors zoom around a room, producing hypnotic interwoven 'graffiti' when captured in long exposure photographs.