Denver International Airport is associated with numerous dark conspiracy theories

In 2024, US airports generated over $1B of revenue—partly due to overpriced airport food

Some in the airport industry argue that charging street prices in airport restaurants isn't sustainable because it's more expensive to run a business inside an airport.

Wind farms are targets for conspiracy theories due to their visibility and complexity

The proliferation of misinformation and conspiracy theories surrounding wind farms is driven by deep-seated anxieties about change, distrust of government, and resistance to confronting the complexities of modern energy solutions.

Farm animals help maintain the grounds at Chicago's O'Hare International Airport

Since 2013, a herd of goats, sheep, and a donkey have grazed on the scrub vegetation at the airport. In the process, they also help keep out animals that can be dangerous for pilots, like coyotes.

People have long suspected that aliens and UFOs can be found at Area 51

Area 51 is a highly classified US military facility located in Nevada. Because of its remote location and secrecy, many Americans have speculated that the location hosts aliens. However, critics of this theory believe the UFO sightings are actually just military aircraft.

The Eye of Providence on $1 bills is a lightning rod for conspiracy theorists

The symbol is associated with the Freemasons, one of the world’s oldest secret societies. It also appears on churches, Masonic buildings, and the great seal of the United States.

Airplane travels 14 hours with a hole in its side

Passengers traveling on an Emirates flight to Brisbane, Australia were stunned when they noticed a huge hole in the side of the aircraft while they were disembarking.

Stonehenge has produced wild origin stories

Built before the wheel was invented, Stonehenge inspired increasingly fantastical explanations—from a 12th-century tale of Merlin and Nephilim giants to 1960s claims that aliens built it alongside the pyramids.

Explore a podcast devoted to uncovering different conspiracy theories

Hear stories of controversial events from all around the world and come to your own conclusions about why they happened—and if someone shaped the narrative around them. From art fraud to the death of a Roman emperor, this Spotify podcast covers it all.

In 2020, Palantir moved its headquarters from Silicon Valley to Denver, CO

Despite being a famous tech startup synonymous with Silicon Valley, Palantir executives and cofounders have criticized tech founders for not taking a bigger role in upholding Western institutions and supporting American defense and intelligence work. That cultural tension is frequently cited as a motivating factor for the company's 2020 move to Denver, CO. In early 2026, the company announced another move to a suburb of Miami, FL.

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.

Disneyland’s opening day was called 'Black Sunday'

A rushed, hectic construction process left the park was in bad shape for its opening, leading to a disastrous first day at the park, which employees came to call “Black Sunday.”

Some vacationers flock to the sites of tragedies

Auschwitz, Chernobyl, Gettysburg, and more have all become tourist destinations, despite the horrible events that have occurred at the sites. The phenomenon is sometimes called "dark tourism," a trend that seems to be spurred by interest in history, morbid curiosity, and popular culture (like HBO's series "Chernobyl").

Pizzagate alleged a neighborhood pizza joint was hosting a sex trafficking scheme

During the 2016 presidential elections, Comet Ping Pong Pizza became the subject of a conspiracy theory that the Clinton family used the space as a front for kidnapping and trafficking children. The hoax began on the message board 4chan after the public became aware that the shop's owner was a Democratic donor.

Some believe Princess Diana's fatal car crash in 1997 was planned

The tragedy that killed the Princess of Wales; her partner, Dodi Fayed; and their driver, Henri Paul; in Paris has been the subject of popular conspiracies. Diana, known to have a difficult relationship with the royal family, was believed by many to have been the victim of a murder plot.

Crypto history's is full of bizarre stories

Digital currencies based solely on misspellings of former President Joe Biden’s name have skyrocketed, and backers of a token based on a Shiba Inu wearing a hat raised $690K to get their logo on the Las Vegas Sphere.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

The most controversial moments in ‘Saturday Night Live’ history

This list ranks the show’s biggest controversies over five decades, including Sinead O’Connor’s infamous shredding of the Pope, Elvis Costello’s abrupt set change, and Fear trashing Studio 8H.

The title of 'World’s Largest Christmas Tree' is disputed

Cities in the US, Italy, Germany, and the Netherlands all claim they have the world’s largest Christmas tree—ranging from massive evergreens, TV and communication towers, and hillside light displays.

Davos becomes extremely heavily secured during the WEF

During the annual World Economic Forum in Davos, the city effectively turns into a fortress, guarded by thousands of Swiss army, police, and civil security personnel, with restricted airspace, drone surveillance, snipers, checkpoints, and round-the-clock patrols protecting global leaders.

Disney World is largely mosquito-free, thanks to civil engineer Joe Potter

As a former governor of the mosquito-prone Panama Canal zone, Potter understood the danger of standing water. At Disney, Potter built ditches to reduce moisture, designed buildings to channel water away, and more. His efforts help visitors avoid bites, adding to the perceived magic of the magical kingdom.

Hardline China critics in the US worry that China's Belt and Road Initiative is a Trojan horse for military expansion efforts

The Belt and Road Initiative, initially launched in 2013 to develop trade routes throughout Europe, Asia, and the Middle East, has evolved into a larger infrastructure development initiative in developing countries. The BRI is backed by the Silk Road Fund, which is administered by the two most prominent Chinese sovereign wealth funds.

Guatemala's Day of the Dead tradition fills the sky with colorful kites

In a tradition that has lasted over 3,000 years, Guatemalans launch giant kites into the air on the eve of Day of the Dead. The colorful kites honor the dead and carry messages of hope, love and peace to the world.

Dinosaurs ranged from the size of chickens to multistory buildings

The largest known dinosaur, Argentinosaurus, was about 39 meters long and outweighed a Boeing 737. Species like Parvicursor and Epidexipteryx were less than 45 centimeters long, though the actual smallest dinosaur is likely lost to history.

The Flyer sat in a shed for 13 years behind the brothers’ Dayton bike shop

While the wood is the same used in the 1903 flight, the muslin has been replaced twice. After laying forgotten in sheds, the vehicle eventually took on national importance. However, the Smithsonian Institution did not recognize it until the 1940s, after it spent time at the Science Museum in London.

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

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.

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.

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

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.

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

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.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

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

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

Fear or disgust related to clusters of holes and cracks, called trypophobia, may stem from evolutionary processes to help us avoid pathogens.

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

Crows are believed to have intelligence on par with a seven-year-old child and demonstrate complex behaviors, from problem-solving with tools to recognizing human faces.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.

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

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.

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.

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

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

Ebola species have historically been named after where they were discovered, stigmatizing residents who live there, including Bundibugyo, in Uganda.

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.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

Hurricanes, which rely on air consistently spinning in the same direction, cannot cross the equator because air curves in opposite directions north and south of it.