Artists use either angled surfaces like shutters or lenticular lenses with holographic images to create 'trick' art that can only be seen from certain angles.

“Is this vandalism or art?” asked Bezirk following one of Berlin's most infamous guerilla art attacks. After a year's reflection, the answer may be “both”.

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.

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

If this winding, looping roller coaster looks out of place in the picturesque German countryside, it may be because not everything is as it seems.

Fourteen artists craft fluorescent tubes, LEDs and other sources of light into stunning art installations that really shine.

When it comes to utility in the service of street safety, orange traffic cones stand alone... except when they stand together and the result is called Art.

The Occupy Wall Street movement has inspired a vast collection of art and design including posters, projections, sculpture, puppets and scenes made with LEGOs.

From a pit in China all the way to the sunny streets of Florida, these terra cotta soldiers have traveled across the world just to impress viewers.

Halloween may be over, but ghouls and skeletons aren't going anywhere. Turn down the wrong street and the stuff of nightmares might be lurking on the wall.