'Coral Castle,' Florida's self-built monument to a lost valentine

Read a 19th-century guide to writing a Valentine's Day card

Thomas Richardson's "London Fashionable Gentleman's Valentine Writer" offers readers romantic messages they can send to the objects of their eyes—along with some chippy kiss-offs for unwanted suitors. It might be sincere, or it might be satire. Either way, it's an entertaining read. (Some readers may experience a paywall.)

Leonard Knight built a folk art landmark in the California badlands

Slab City is an unofficial off-the-grid community on the site of a decommissioned Marine Corps base in the Southern California desert. Knight began constructing his enormous and colorful "Salvation Mountain" in 1984. In 2000, it was designated "a folk art site worthy of preservation and protection."

View a collection of glass sculptures of corals threatened by fishing and deep-sea mining

In "Depicting Dark Waters," British sculptural model maker Alice Baker depicts European cold-water corals, which make up 65% of all known coral species, to raise awareness of deep-sea ecosystems threatened by commercial and industrial activities. The project involved a collaboration with marine biologists from the Netherlands and Sweden.

Disappointment Island

A shipwreck. A freezing island. No trees. No help. Just 16 sailors, stranded for 8 months on Disappointment Island in 1907.

Niagara’s bedrock holds 440-million-year-old coral fossils

The Lockport Dolomite that caps Niagara Falls is composed of fossilized coral reefs from a tropical sea that once covered the region 440 million years ago.

Photographing abandoned structures in the southeastern US

Leland Kent is a photographer and historian who has captured hundreds of buildings across the southeast United States over the last 10 years in order to preserve the past before it's too late. His subjects include decommissioned power plants, closed youth jails, vacant plantation homes, and more, and he has published several city-focused books. Get lost in Kent's dramatic portrayals of once-lively structures in this extensive and gripping gallery.

Artificial coral reefs have been 3D printed from nontoxic, biodegradable terracotta clay, which coral polyps have used as a foundation for rebuilding marine ecosystems.

A prisoner at the haunted Corvin Castle in Romania helped inspire Dracula

The dungeon in Corvin Castle has hosted numerous ill-fated prisoners and many unsettling occurrences. One of its most famous former residents is the cruel ruler Vlad III, the inspiration for the character of Dracula. Listen to the eerie tales of the dungeon where psychological torture and extreme violence took place.

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.

The slow disappearance of America's roadside attractions

Roadside attractions, as defined by Jane Stern, are quirky, oddball landmarks. Instead of corporate entertainment, charms like a giant twine ball, a shabby dinosaur sculpture exhibit, or hand-painted oddities beckon travelers off the interstate. These roadside attractions have declined in recent years, but Stern commemorates their value and reflects on the joy of discovering unusual and homemade wonders in this piece.

A look at some of the world's most unique churches

From a skeleton-adorned church in the Czech Republic to wooden churches built without nails in Russia, this video explores some of Christianity's most intriguing architectural feats. These places of worship were built in remote areas throughout history, and show amazing innovation. See a fascinating glimpse into the overlooked structures, along with stories of how and why they came to be.

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.

A funeral director lied and claimed he discovered a centuries-old Roman brooch

An amateur metal detectorist knowingly deceived thousands into believing he found an 1,800-year-old horse figurine. He received payment for the artifact to be featured in a museum, but he later admitted he bought the brooch online and planted it.

'I ought to be jealous of the tower. She is more famous than I am.'

- Gustave Eiffel (1832–1923)

A 21-year-old college student designed the Vietnam Veterans Memorial

In 1981, a 21-year-old Yale architecture student, Maya Lin, won the national design competition for the Vietnam Veterans Memorial. The design was controversial for rejecting heroic statues, using a black wall, and avoiding overt patriotic symbolism.

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

‘Torch songs’ are passionate expressions of unrequited love

The term comes from an idiom about dedicated romantics carrying torches for their love interests. The style was especially popular for female vocalists before the rise of rock ‘n’ roll and significantly influenced early girl group records.

US intelligence allegedly pursued more than 600 schemes to assassinate Fidel Castro

From exploding cigars and poisoned Cohibas to an infected scuba suit and plans to drug a TV studio with LSD, this account catalogs the CIA's strangest—and consistently unsuccessful—attempts to kill Fidel Castro over decades.

A pet turtle survived a fatal barrel plunge over the falls

In 1930, George Stathakis died attempting a barrel stunt over the falls—but his 150-year-old pet turtle "Sonny" survived 24 hours trapped behind the cascade.

They lost loved ones on 9/11. Hear the heart-wrenching voicemails they'd leave for them.

NPR set up an old phone booth in Brooklyn Bridge Park — across the river from the new World Trade Center — and invited people to leave a voicemail for someone they lost that day.

Farmer secretly plants sunflower field for 50th anniversary with wife

Kansas farmer Lee Wilson wanted to give something special to his wife of 50 years, Renee, on their golden anniversary, so he secretly planted 80 acres of sunflowers in May for an August bloom. The gift consists of roughly 1.2 million sunflowers,...

Jean-Jacques Lequeu was an amateur architect who dabbled with the surreal

Although he never found a career in architecture, Lequeu sketched hundreds of images in his free time. His innovative style wasn't discovered until after his death, but the dreamlike drawings have since been appreciated for their visionary quality.

A spiraling story of love between a lonely man and his AI girlfriend

Travis was quickly becoming dependent on his AI companion Lily Rose amid the pandemic (and the tragic loss of his son to the disease). Soon, he realized that thousands like him were being manipulated through the chatbot by a Russian corporation.

In 2014, a Wikipedia monument was unveiled in Słubice, Poland

Created from fiber and resin, the $14,000 sculpture features four people holding the Wikipedia globe—the company's logo since 2003. An inscription on the monument pays homage to the anonymous editors who contributed to the site.

Taliesin’s first fire also involved the tragic murder of seven people

In 1914, while Frank Lloyd Wright was out working in Chicago, one of his servants at Taliesin brutally murdered his mistress, Martha “Mamah” Borthwick Cheney, her two children, and three other people in the home. The massacre left a deep impression on Wright, who spent much of his career restoring the home.

Take a virtual tour of Val-Kill, Eleanor Roosevelt's home and retreat

Two miles from the Roosevelt family estate in upstate New York, Val-Kill was built as a furniture factory that Eleanor Roosevelt helped create to employ rural workers and craftspeople. It later became her private home and political hub. World leaders and civil rights activists visited her there, and she called it the place where she "became an individual in her own right."

Searching for 'The Great Gatsby' in Kentucky

F. Scott Fitzgerald's classic novel "The Great Gatsby" is usually associated with New York and its extremely wealthy enclaves, but this Atlas Obscura podcast tracks down another location Fitzgerald portrayed in the book: Louisville, Kentucky, the setting for Daisy and Tom Buchanan's wedding, as well as the place where Fitzgerald spent two miserable months during World War I.

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 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

Salvador Dalí believed he was his own dead brother, who had died nine months before he was born

Watch this video that uses Lego bricks to explain how venture capital works.

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

Explore the archaeological treasures of Pompeii, the city buried under volcanic ash when Mount Vesuvius erupted in 79 CE.

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.

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

The Ramones' 'Pet Sematary,' the theme song for the Stephen King novel of the same name, was written while the band was admiring the writer's collection of horror memorabilia.

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

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

US intelligence allegedly pursued more than 600 schemes to assassinate Cuban revolutionary Fidel Castro.

Frank Lloyd Wright's houses are historically hard to sell because they're old, subject to local landmark commissions, and often unfashionable

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

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

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

Volcanoes 'die' when their supply of magma runs out, if they are shifted away from their underlying magma reservoir, or if they get clogged by collapsing or their magma cooling back into rock.

In preparation for this weekend's Eurovision finale, which is something like the World Cup of pop music, here's a young Céline Dion performing (for Switzerland?) at the 1988 competition.

The Great Salt Lake's distinct dual coloration results from high-salinity organisms that only live in the northern portion and produce a purple protein.

English mathematician Ada Lovelace wrote the first computer algorithm a century before computers existed and hypothesized that computing devices would one day be able to compose music—foreseeing the generative AI systems of today.

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