Science Harrowing and grim graffiti discovered in 1,600-year-old prison Allan Rose Hill

DRONES Graffiti-removing drone tested in Washington Rob Beschizza

DIY Graffiti remover works on composite decking Jason Weisberger

News Graffiti defaces a Los Angeles Jewish neighborhood and its famous deli Jason Weisberger

graffiti Deputy mayor busted for painting graffiti in a tunnel David Pescovitz

History Tourist who carved initials into the Roman Colosseum says he didn't know it was old David Pescovitz

videos Cool graffiti: Art Overnight's dancing bear in a tunnel Elías Villoro

graffiti Philadelphia's historic "Boner Forever" building under restoration, iconic graffiti may be erased David Pescovitz

art Christopher Walken painted over an original Banksy David Pescovitz

halloween Snow-in-a-can Halloween portraits Rusty Blazenhoff

graffiti Watch this interview with Lady Pink, the "First Lady of Graffiti" Popkin

art Fantastic new Banksy video narrated by Bob Ross David Pescovitz

art New kind of ancient stencil graffiti found in northern Australia David Pescovitz

graffiti Artist Adam Fu has mastered creating neon effects with spray paint Andrea James

art Graffiti artist paints sports car to look like a cartoon David Pescovitz

art Banksy's pro-mask graffiti in London Tube washed away by cleaning crew David Pescovitz

art Fascinating short doc about Keith Haring's mural in Melbourne and its stolen signature David Pescovitz

art When Banksy has to work from home David Pescovitz

police Tempe, Arizona police have caught Penis Man David Pescovitz

art Banksy's brilliant new mural commenting on homelessness David Pescovitz