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

The story of Kryptos, the long unsolved cryptographic sculpture outside the CIA's headquarters

Made by American artist Jim Sanborn, the sculpture features four copper plates engraved with messages written with the 26 letters of the Latin alphabet and question marks. The last of these plates was solved in 2025, but the piece remains of interest to cryptoanalysts.

One graffiti artist turned a train tunnel into his gallery

Chris Pape, also known as Freedom, began exploring a tunnel under Manhattan's Riverside Park when he was a kid. As he grew more involved with graffiti, he turned its walls into a massive art project, one that reflected both the history of graffiti and the people who made the tunnel their home.

A ‘Bored Ape’ NFT was once kidnapped

An art heist in the crypto world plunges listeners of the "Search Engine" podcast into another mystery about why so many celebrities suddenly started selling the public on NFTs in 2021.

The identity of the Tank Man in the iconic photo from the 1989 Tiananmen Square protests remains unknown and was possibly killed.

Performance artist Thierry Mandon turns solitary domestic scenes into spectacless

Suspended in the air and attached to severed buildings, artist Mandon appears engrossed in his book while lying in bed or sitting at a table. Mandon satirizes our everyday habits while attracting and amusing passersby.

Can anything be performance art?

When you see someone slathering themselves in maple syrup or sitting silently in the corner of a gallery surrounded by yogurt containers, it’s easy to wonder whether there’s anything that can’t be considered performance art. This Artsy piece speaks to various performance artists and attempts to define some guardrails for the medium. The main takeaway? Intention and interpretation are what separate real performance art from people who are just covered in syrup.

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.

A theater group staged 'Waiting for Godot' at San Quentin prison in 1957

The play, about being stuck, resonated with inmates. Critics noted that the incarcerated audience empathized with its hopeless characters much more than those at the show's North American premiere in Miami, who'd walked out in disgust.

The identity of the Tank Man from the Tiananmen Square protests is still unknown

The lone figure standing before military tanks in Beijing is an essential component of this iconic photograph. The protests resulted in the deaths of hundreds of demonstrators, possibly including the man himself. There's also the chance he returned to normal life as a citizen and purposefully concealed his identity.

A 2019 meme about Area 51 led to arrests and a music festival

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," spawning countless memes. Millions marked themselves as "going," and seven were arrested at a gate into the area. It also inspired a music festival attended by more than 7,000 people.

Mary Cassatt's mural from the 1893 World's Fair mysteriously disappeared

The massive mural was called "Modern Woman" and was displayed in the Woman's Building at the 1893 World's Columbian Exposition, better known as the Chicago World's Fair. When the fair closed in October of that year, the mural was put into storage, but it later went missing. It hasn't been located since. All that remains are black and white photos of it, like the one below.

See an anamorphic illusion of a massive crashing wave in South Korea

An enormous aquarium with perpetually crashing waves has popped up amidst an urban landscape in South Korea, but don’t expect to hear the water sloshing around if you walk by. Designed by District, the elevated tank is actually a massive anamorphic illusion. The digital media company created the pub

A Manhattan building doomed to collapse was saved in secret

After completing the Citicorp Center, its engineer realized that cost-cutting measures to use bolted instead of welded joints made the building vulnerable to collapse under quartering winds. For three months, crews worked in secret at night to reinforce the building under Project Serene.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

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

Mark Rothko demanded a high-end restaurant remove his paintings

The artist was commissioned to paint murals for a Four Seasons restaurant on the ground floor of New York's Seagram Building. After attending the restaurant, he demanded his paintings be taken down and agreed to return his $35K payment, saying, “anybody who will eat that kind of food for those kind of prices will never look at a painting of mine.”

Moss provided the evidence to convict Chicago cemetery grave robbers

In 2009, employees at Burr Oak Cemetery were accused of exhuming graves to resell burial plots, but they argued the events took place before their employment. An analysis of moss, whose metabolic activity deteriorates at a known rate, with the transported human remains helped establish a timeline that placed the accused at the crime scene.

Why one theater critic believed Chalamet was wrong about opera

Actor Timothée Chalamet's comments that "no one cares" about ballet and opera led to a number of responses from people in the theater world, including critic Marianka Swain, who argued that Chalamet's statement was a predictable yet tone-deaf Hollywood evaluation of art forms that exist outside of the celebrity-centered industry.

Photography and video are prohibited in the Supreme Court—but artists are not

Because cameras are banned inside the Supreme Court of the United States, courtroom artists document proceedings through sketches. This exhibition features works from 1964 to today, capturing the human drama of landmark cases and shaping how Americans visualize justice.

Meteorologists believe they know the weather that inspired the terror behind Munch's painting 'The Scream'

Helene Muri, a meteorologist at the University of Oslo, believes the clouds causing the man such terror are nacreous. "We do know that there were mother-of-pearl clouds in the Oslo area in the late 19th century," she said, though she was careful to note that it was still a hypothesis.

Black Rock City is a remarkable portable town

While Burning Man hosts many impressive and unique architectural feats, these buildings also have notable issues of safety, accessibility, and reliability.

The myths around London's tiniest sculpture

The Philpot Lane mice have been considered London's smallest sculpture for decades, delighting visitors and locals alike. But there's a common story told for why the unusual sculpture—which features two mice fighting for a piece of cheese—was placed there, saying it commemorated the death of a construction worker fighting over a lunch in the 1800s. The author of this article argues the evidence for such a story is lacking. Dive into the obscure history here.

How the Martha Graham Company experiments with technology

The dance company was the first major group to livestream rehearsals and has collaborated with Google on a version of Graham's "Lamentation" that superimposes past performances on the present-day dancer.

The legend of Pittsburgh’s fake Burger King

Years ago, a Burger King in Pittsburgh lost its franchise due to repeated customer complaints about food quality. However, the franchise-holders continued to operate the restaurant, switching to generic packaging but keeping the signage and uniforms. Customers eventually caught on and raised suspicions, leading to Burger King's corporate leaders' involvement. Learn more about the bizarre establishment and how it managed to continue operations for months.

Cannes' Sainte-Marguerite was home to the 'Man in the Iron Mask'

Although his identity was never known, the man imprisoned under King Louis XIV and forced to wear a mask—reputedly made of iron, though likely to be velvet—was imprisoned on an island off the coast of Cannes.

Unpacking the famous argument in the 'Are We Living in a Computer Simulation?' paper

In 2003, philosopher Nick Bostrom published a paper in a journal arguing the technological possibility that humanity is living in a simulation. The argument, while popularly mocked (or cheered), is presented seriously in the paper. This podcast episode explores the contours of the arguments in an accessible way.

One Canadian town operates a polar bear jail

The town of Churchill has a population of 850 humans and just as many polar bears. In an effort to prevent hungry bears from breaking into homes or attacking residents, the town began imprisoning them for 30-day stints.

Richard Hamilton's iconic pop art collage inspired the set of 'Barbie' (2023)

Ken's Mojo Dojo Casa House in Greta Gerwig's "Barbie" was inspired by Hamilton's jumbled vision of a home in "Just what is it that makes today's homes so different, so appealing?" Set designers cited the work as inspiring the mishmash of Americana imagery in the man cave.

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

What it's like to go inside the Great Pyramid of Giza

Tourists can actually enter the ancient wonder, taking a 15-minute jaunt through tight spaces some describe as uncomfortable. The focal point of the journey is the chamber of the dead pharaoh, historically significant but not always visually compelling. The author describes it as a cool bucket list item but wouldn't repeat it.

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

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.

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

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

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.

See 33 images that became central to huge scandals, including a young Charles and Camilla, Michael Jackson's baby on a hotel balcony, and Hugh Grant's mugshot.

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.

Georgia O'Keeffe's flower paintings are often assumed to be sexual, though the artist claimed she was simply interested in highlighting the beauty of flowers that most people neglect

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

Hotels in Cannes, the glamorous city on the French Riviera, hire hawks to ward off seagulls during the city's famous film festival.

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

Against his wishes, Albert Einstein's brain was removed before his cremation, and the pathologist responsible stored it for decades in mason jars within a beer cooler.

After her fellow cult members tried to kill her with an LSD-infused hamburger, one member of the Manson Family, the murderous cult led by Charles Manson, decided to testify against the group's leader.

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

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

'Saturday Night Fever,' the 1977 film that introduced disco to the mainstream, was based on a fabricated magazine story.

Exploring the Larry Bird punch that almost changed March Madness

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

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by over 1.5 million Muslims.