Photographer discovers artistic patterns at his feet in SF's Sunset District

Vik Muniz's meticulously crafted collages.

Surreal long exposure shots offer subtle comment on light pollution

Ephemeral explosions of color in the Utah desert

Whimsical paintings of bike scenes on the streets of Buenos Aires

A wandering retiree from Bangkok captures landscapes at their most awe-inspiring

Paint-splattered photographs born from a 'burning need to create'