An update on a 19th century optical drawing tool lets artists trace the real world around them. The NeoLucida will soon be available for just $40.

There is no unifying theme to these surreal depictions of urban architecture and landscapes, save perhaps their imaginative improbability and singular creator.

These layered creations are surprisingly realistic, even in black and white, thanks in part to their scale and reinforced by their shadows and context.

This graffiti isn't made to be seen in person - artist INSA paints and repaints each mural to create animated GIFs that can only be viewed on computers.

Hong Kong is a much-photographed city, but these shots present a rarely-seen perspective by documentarians or pedestrians ... unless they look straight up.

When something evolves to have such a long history as the art of painting, it falls on out-of-the-box thinkers to question the most basic elements of creation: tools.

Artist Kumi Yamashita winds a single black sewing thread around a grid of galvanized nails on a wooden board to create intricately detailed portraits.

Artist Hasan Kale paints incredibly intricate scenes from his native Istanbul onto delicate butterfly wings, narrow cactus spines and tiny grape seeds.

Street art uses roads, sidewalks, walls and infrastructure as canvasses, but one of the brightest and blankest slates of all may be the spaces in between.

Street artist ROA brings bold black-and-white animals measuring three stories in height to the gritty streets of Panama City in a new series of work.