A snowflake rests on black velvet after a snowfall in Knoxville on Tuesday, January 28, 2014. (Photo by Adam Lau/News Sentinel)

A submerged statue of the Hindu Lord Shiva stands amid the flooded waters of river Ganges at Rishikesh in the Himalayan state of Uttarakhand June 17, 2013. Early monsoon rains have swollen the Ganges, India's longest river, swept away houses, killed at least 60 people and left tens of thousands stranded, officials said on June 18, 2013. (Photo by Reuters/Stringer)

An arm holding a giant gun appears to explode through a wall, while elsewhere a man walks a tiger on a leash. These breathtaking pencil drawings are the work of 31-year-old artist Ben Heine, who lives and works in Rochefort, Belgium. The “anamorphic illusions”, part of the artist's “Pencil Vs Camera” series, appear slightly distorted unless viewed from the exact same perspective in which they were created. Photo: Visual artist Ben Heine at work in his studio while he creates one of his “anamorphic illusions” in Rochefort, Belgium. (Photo by Ben Heine/Barcroft Media)

San Francisco-based design professor Miguel Cardona is selling his custom-drawn “Sketchcups” at Café Sophie for US$20 a piece to benefit Project Night Night, a charity that donates baby blankets, books, and toys to children in homeless shelters. Cardona discusses the project in an interview with Coolhunting. If you'd like to purchase or commission one of Cadona's pieces for yourself, you can do so for US$30 at his Sketchcups Store.

Guests on the terrace of Shepheard's Hotel, Cairo, circa 1940. (Photo by Hulton Archive/Getty Images)