Buenos Aires becomes a fantasy urban playground in this fun video by Black Sheep Films, featuring roller coasters with no tracks that zoom through the city.

Artist Philippe Ramette shifts the perspective of the world, eliminating silly things like gravity, in his incredible performance art photography.

These 15 decorative and functional objects, from handkerchiefs to power strips, are inspired by skyscrapers and city streets.

Pedestrians in a French town were surprised to find that one day, a playful new addition to their brick walkway suddenly appeared...seemingly out of nowhere.

Graffiti tags have blossomed into letters and words that celebrate typography itself, applied to urban settings like shutters, fences and streets.

Obliterating messages of commercialism, artists take over these huge ad spaces and fill them with nature scenes, paintings, text or subverted messages.

These 11 scent-sational concept garbage trucks trash traditional artistic sensibilities while maintaining the “can”-do spirit today's waste management demands.

From urban art installations placing swings on billboards to whimsical and magical garden swings, these swing designs are far from the usual playground fixture.

A huge inflatable red ball travels around the world, showing up in cities like Toronto and Abu Dhabi, squeezed into entryways and hovering above the street.

Brooklyn-based artist Dan Witz shocks passersby with ultra-realistic painted images of people trapped behind grates in urban buildings.