One graffiti artist turned a train tunnel into his gallery

In the '70s, graffiti moved to subway cars

Unlike static walls, the silver cars moved throughout the city, like a canvas in perpetual motion. That made them highly desired by graffiti artists, especially because tagging them was considerably more difficult and, in turn, more impressive than a simple tag in an alley.

Keith Haring was inspired by graffiti's accessibility

The visual artist—known for his vibrant pop art—loved how graffiti was a democratic form, available to everyday people who wouldn't otherwise visit museums or galleries. He began drawing chalk murals in New York subway stations, remarking that it was an ideal venue because it attracted a diverse audience.

One Martin Wong painting contains a secret homage to graffiti culture

After the Metropolitan Museum of Art acquired painter Martin Wong's "Houston Street," they discovered there was another work on the back of the canvas that featured contributions from some of the luminaries of the 1980s New York graffiti scene.

In 1974, Norman Mailer touted graffiti as an intellectual art form

The Pulitzer Prize winner explored the style in his 1974 Esquire essay, "The Faith of Graffiti," before expanding on it in a book with 81 photos by Jon Naar. In it, he traces the form back to its ancient roots and compares graffiti writers to Renaissance painters.

Banksy turned graffiti into high art

The anonymous artist is renowned for his puckish, often stenciled street art. He's also known for the eye-popping sales those works command once they're up for auction. This podcast dives into the history of the singular artist, exploring how a British graffiti artist became a cultural icon.

Read the New York Times profile of TAKI 183

The 1971 article about the young graffiti artist and his many acolytes exposed the burgeoning subculture to a large audience and also detailed the effort to clean the work from the city's walls. (Some readers may experience a paywall.)

The documentary 'Style Wars' captured graffiti at its height

The film explored the tension between graffiti's innovation and its illegality, following some of its most popular artists, such as Mare 139 and Futura, as well as its detractors, including Mayor Ed Koch. The documentary first appeared on PBS in 1983, introducing the movement to a national audience. You can watch it in its entirety below.

A graffiti artist breaks down the fundamentals of the form

Graffiti is more than just tagging a name. Legendary street artist Carlos Mare, also known as Mare 139, breaks down how to paint several of the form's popular styles and motifs, from quickly drawn throwies to intricately planned masterpieces.

Philadelphia's Cornbread claims to be the first modern graffiti artist

Darryl McCray began writing his nickname, "Cornbread," across his hometown of Philadelphia in the 1960s. That style was a way of posting a personalized signature across neighborhoods and would become known as "tagging." In time, that style spread to New York, where it took off among other young people.

Listen to a jazz composition triggered by the New York City Subway

A creative coder created a (synthetic) jazz ensemble that uses the locations of the city's trains to determine its performance. It's both a fascinating bit of internet culture and a fitting homage to New York, one of jazz's major hubs.

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

The spiralling structure of the Guggenheim Museum in New York is itself a work of art

The Solomon R. Guggenheim Museum is a UNESCO World Heritage Site in Manhattan's Upper East Side. The contemporary art museum, known for its unique spiral structure, was Frank Lloyd Wright’s final work.

A group claims a man is trapped inside Chicago's 'Cloud Gate'

Although they appear to be performance artists, the group claims they're earnestly protesting the captivity of a man inside the iconic public art piece designed by Anish Kapoor. City officials say there is no man inside the object.

The architectural evolution of New York City's Chinatown

Cityscapes continuously evolve, and each stage in their transformation tells a unique story. In Manhattan's Chinatown from the 1940s to today, the architecture has bloomed from an ethnic conclave for often mistreated migrants to a vibrant cultural hub today. See varying elevations and facades over time.

The southbound Underground Railroad: finding freedom in Mexico

Until recently, the southbound Underground Railroad, as some scholars call it, has been largely overlooked, mainly because it left so few traces in surviving records. Read this article to learn more about this dangerous path and its travelers.

A gallery of New York cats alongside their feline reflections

Comedian Jim Tews began capturing photos of cats from the Big Apple in 2014 as a joke mimicking the highly popular site "Humans of New York," which captured random New Yorkers accompanied by their quotes. The site grew in popularity and Tews...

How the underground maze below the Gaza Strip works

Hamas militants have constructed a web underneath the Gaza Strip filled with tunnels, residential areas, bunkers, and more. This article and illustrations explore the underground maze as detailed in photo and video evidence and witness accounts.

The hidden hallway behind Mount Rushmore and why it’s unfinished

Mount Rushmore was designed to be more than a massive monument to US presidents, and its ambitious plans were part of the reason why. This fascinating video explores its backstory, creation, and the hidden tunnel behind President Lincoln's head.

'Instagram traps' are changing art museums

In the creator economy era, it feels like anyone has the potential to become an influencer—if they can just capture the right content. Naturally, some places are better suited for an Instagram photo than others. Museums-turned-photo-backdrops (think: the Museum of Ice Cream) are the best of the best.

The wild, early history of the tunnel across the English Channel

Britain and France today are connected by the Chunnel—a tunnel bored roughly 120 feet under the seabed of the notoriously choppy English Channel, which opened in 1994. The dream of integrating Britain with the rest of the continent this way began much earlier, with daring, physically impossible plans proposed as early as the 19th century. Check out the earliest plans here.

The architect who made the most of a tiny New York apartment

This short documentary explores the 350-square-foot apartment of Ben Riskin, a New York resident looking to make the most of his new home through hidden storage and ingenious design.

How did ancient cave painters manage to see what they were doing?

As ancient artists made their way deep into caves and created massive works of art that continue to inspire awe today, they would've required light sources to see what they were doing. This gallery details some of the light sources that cave artists...

New York artist Donald Judd turned Marfa, Texas, into an artists' haven

In 1971, Judd arrived in the West Texas hamlet in the brutal high desert, not far from Big Bend National Park. He acquired 22 buildings, repurposing them and inviting other artists to create on-site installations. Today, the Donald Judd Historic District is part of the National Register of Historic Places.

A photo gallery of underwater shipwrecks

Tobias Friedrich is a German scuba diver specializing in underwater photography. Check out this stunning gallery of shipwrecks as well as other galleries on conservation, sharks, and more.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

How a polluted New York City waterway created extremophiles hungry for 'black mayonnaise'

In the 19th century, coal processing plants, oil refineries, a tannery, and other industries lining the Gowanus Canal contaminated its waters with coal tar, sewage, and other pollutants, forming the toxic sludge. Samples taken from the site before clean-up efforts revealed over 450 species of microbes with metabolisms adapted to break down these contaminants.

Marina Abramović took 3,500 photos of China while performing ‘The Lovers’

During the 90-day performance that took place on the Great Wall of China, Abramović lived in isolation, nearly fell into an abyss, and wrote poetry—among other transformative experiences.

In 1963, a basement renovation in Turkey revealed a passageway to a hidden, multilevel underground city that once housed as many as 20,000 people

In 1915, workers recovered a submarine-like vessel from the Chicago River, prompting fears of German espionage

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

American dance legend Martha Graham, sometimes called 'the Picasso of dance,' refused to perform at the 1936 Olympics in Berlin and conceived the piece 'Chronicle' in response to the experience.

Double world record holder Hunter Ewen helped conquer his fear of balloons, called globophobia, by training to win Guinness World Record titles for balloon inflation.

Mid-century modern graphic designers, known for their bright colors and bold lines in advertising, also found success with children's books.

The tragic Pulitzer Prize-winning image 'The Vulture and the Little Girl' (1993) generated controversy, raised concerns about ethics in photography, and eventually led to the photographer's death.

Hear 50 years of iconic hip-hop samples, the genre's foundational looped tracks

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

Tattoos remain visible on your skin thanks to immune cells called macrophages

Objects can be 3D printed with light by projecting 2D computerized tomography (CT) scans onto rotating cylinders of resin, which solidify upon exposure.

Legendary architect Frank Lloyd Wright designed the SC Johnson headquarters in Wisconsin, aiming to make a cathedral-like workplace

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

Existentialist writer Jean-Paul Sartre coined the famous phrase 'Hell is—other people' in his play 'No Exit'

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.