Under the Unminding Sky series Oil on linen, Gregory Thielker

Photorealism of the Day is a feature series showcasing notable paintings and illustrations that appear to be photographic.

PB&J 1/2 (2012), an oil painting by Mary Ellen Johnson

Photorealism of the Day is a feature series showcasing notable paintings and illustrations that appear to be photographic.

Spanish artist Javier Riera's landscape-based artwork explores the relationship between nature and geometry using projectors and geometric pattern filters.

Acedia (2012) by Jeremy Geddes.

Photorealism of the Day is a feature series showcasing notable paintings and illustrations that appear to be photographic.

Angry Birds All Levels is a series of 300 ink prints designed by Evan Roth that reveals every finger swipe motion and screen press required to clear all stage levels in the popular mobile game Angry Birds. Commissioned by the Science Gallery in Dublin, Ireland, this project is actually a part of his longer Multi-Touch Finger Paintings series that are created by performing routine tasks on multi-touch hand held devices.

Artsy Fart of the Day is a feature series dedicated to showcasing a colorful range of visual arts in digital and traditional mediums.

Switzerland-based photographer Fabian Oefner's "Dancing Colors" is an audio-visual art performance that explores the space between the domains of music and colors by using sound waves emitted from a speaker to stage explosions of colored pigment powder in various patterns. For more details on the process, head over to 500px.

Castle of Vooruit is an outdoor balloon installation created by Kurdish-Turkish artist Ahmet Ogut of a gigantic boulder (8 meters in diameter) and a replica of the Belgian landmark and historic arts center Vooruit on its top, all floating at a height of 11 meters above the ground. Unmistakably reminiscent of Belgian painter Rene Magritte's surreal work La Chateau des Pyrenees, Ogut's helium-filled artwork was first revealed earlier this year during the TRACK art festival in May.