A look at 10 important moments in the history of graffiti that pushed graffiti art from underground subculture to mainstream trend.

Their names? Agent X and Agent Full Stop. Their mission? To fix illegible and grammatically incorrect graffiti everywhere… starting with Quito, Ecuador. Collectively known as Acción Ortográfica Quito, these two grammar vigilantes have started a movement to make the world a better place, one punctuation mark at a time.

The naturalism that defines Art Nouveau has its roots in the Arts & Crafts movement, a melting pot of art and philosophy that was opposed to the changes imposed on society by industrialism. People began to realize that small-scale homemade crafts that were produced with care and skill were being lost among the mass of factory-produced items.

A collection of images depicting street art.

Banksy may have made a name for himself with his iconic street art, but Brazilian artist Butcher Billy is giving us a new take on the graffitist's work with some equally iconic characters.

You see a sofa abandoned on the side of a Los Angeles street. Andrew Ward sees art.

Walk down a street in Peru and you'll likely see an example of the glow-in-the-dark posters and murals. Lots of people love them. But the upper crust — and the government — aren't impressed.

A youth organizations that's been known to use graffiti as a means of expression has teamed up with the government of Mexico to rehabilitate Palmitas, in the Pachuca district. Under the moniker Germen Crew, the group painted 209 houses, or twenty-thousand square meters of facade, into a single mural.

A German crew has transformed the village of Palmitas into a vibrant rainbow, connecting the community of more than 200 homes through an array of colorful hues.

Many street artists are often discredited for their chosen line of art. They proved everyone wrong with this.

What does this gorgeous street art say? It's Arabic poetry, inspired by bold graffiti and placed where a message of hope and peace can do the most good.

Utilising the oft-unused space of building roofs, Ella&Pitr transforms these spaces into canvases for their art. They fill roofs with illustrations of sleeping giants confined to the borders of the buildings they call home. It’s interesting to see people going about their daily lives down below without even realising that massive beings exist just above them!

Virginia-based street artist Gigi Rodgers (aka Puck'n Khaos) decided to use her body as a part of her "living street art" artwork.

Street artist may be preparing pop-up exhibition in seaside town. By Steven Morris.

Dismaland (“The UK’s most disappointing new visitor attraction”)

Village of Luoyuan commissions street artists to paint frescoes in order to attract tourists.

This abandoned Slovenian military barracks has become a punky-political art squat

Combo, a street artist in France, created a playful and mischievous piece of street art after someone had been sent to paint over his original piece. After observing a man painting over parts of his work, Combo snapped a photo and later returned to paint the man into his street art!

I love to paint in the harbor area of town...

My first post on Snapzu is a piece I painted a few months back...

On a jam for the 2Oth anniversary of a legal spot here in town.

Abandoned places are always a treat to explore and then paint in/on :-)

Art is by Rub Kandy aka Mimo Rubino and is titled "Revolver" (Rome, Italy). Link to his (crappy) site: www.mimmorubino.com Link to his blog: http://rubinetto.blogspot.be/

Canberra scientists and street artists combine their talents in an effort to bring local scientific research and discoveries to the fore.

I have painted this piece at the Easter Jam in Hasselt (Belgium), 2012

Last generation of billboard painters.

,,,and a clever story was told.

Three graffiti artists hired to add authenticity to refugee camp scenes in this week’s episode of Homeland have said they instead used their artwork to accuse the TV programme of racism. In the second episode of the fifth season, which aired in the US and Australia earlier this week, and will be shown in the UK on Sunday, lead character Carrie Mathison, played by Claire Danes, can be seen striding past a wall daubed with Arabic script reading: “Homeland is racist.”

Automobile owners in Amsterdam are waking up to find that their cars have been ‘customized’ overnight with cardboard and masking tape. Suddenly, their boring old sedans boast body fenders, spoilers…

Rasko, graffiti writer from Russia. Graffiti blog, news and videos.

Hasselt - Belgium 2012