A West Berlin student dug a tunnel under the Berlin Wall—29 East Germans escaped

The wall separating East and West Berlin was a highly visible symbol of the Cold War

Built in 1961, the Berlin Wall physically separated East and West Berlin for nearly three decades—preventing East Germans from fleeing to the West. Its fall in 1989 signaled the collapse of communist regimes across Eastern Europe.

A small mistake in a press conference triggered the fall of the Berlin Wall

This video explains how a confused East German spokesman—misreading new travel rules at an otherwise routine 1989 press conference—accidentally announced immediate border openings, prompting crowds to surge to the Berlin Wall and igniting Germany’s rapid reunification.

A map of WWII refugees and their stories

Trace the paths of different people and families on this interactive map as they made their escape from the Nazi regime. Primary and secondary sources like letters, documents, memoirs and diaries, photos, interviews, and news clippings showed how many found a path to freedom, from the Kindertransport to individual stories.

'Cold War Conversations' podcast shares voices from the conflict's frontlines

This award-winning podcast features gripping interviews with the people who lived through the Cold War—spies, soldiers, defectors, and civilians. Covering everything from the Berlin Wall to nuclear standoffs, it offers unfiltered, emotional accounts of Cold War life and conflict.

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.

Some senior Nazis fled to South America and lived for decades

Using so-called "ratlines" through Spain, Italy, and into South American countries like Argentina, many of Adolf Hitler's closest associates evaded capture after the fall of Berlin in 1945. This video details the fate of eight, including infamous doctor Josef Mengele and logistics expert Adolf Eichmann.

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.

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

The Manhattan Project created secret cities that didn’t appear on maps

To maintain secrecy, the US built three remote research facilities and entire “secret cities” to house thousands of workers and families. These communities—home to tens of thousands—were omitted from official maps until after World War II.

The Agent podcast reveals the true story of a long-term KGB agent in America

Narrated through firsthand interviews, The Agent tells how Jack Barsky (born Albrecht Dittrich) spent a decade undercover as a Soviet KGB “illegal” in the US, balancing dual identities in Queens—from insurance programmer to deep-cover spy—until a crisis forced him to choose between loyalty and family.

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.

Anne Frank's father, Otto, speaks to the BBC

The 13-year-old Jewish girl Anne Frank has inspired millions with her optimistic diaries amid Nazi oppression in the Netherlands. In 1976, her father—the sole survivor among Anne's immediate family—showed the world the original copy of one of Anne's three diaries in this BBC interview. Hear why Otto decided to publish the diaries and how that decision changed his life.

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

The reporters who broke the Watergate scandal reflect 50 years later

Even after 50 years, famed Watergate reporters Bob Woodward and Carl Bernstein remain tightly connected—calling each other multiple times a week.

Six American diplomats secretly hid in the Canadian Embassy for months after escaping the hostage crisis

When Iranian students seized the US Embassy, six Americans slipped away and took refuge with the Canadian Ambassador. The CIA orchestrated a daring escape under the cover of a fake film crew—later depicted in the Academy Award-winning film "Argo."

A 1980 Oktoberfest bombing killed 13 people

The event was the country's deadliest domestic terror attack since World War II, killing 13 people and injuring more than 200. The perpetrator was 21-year-old Gundolf Koehler, who hoped to use the attack to usher in a conservative chancellor.

Dubbed 'stalkers,' some Ukrainian youth illegally explore Chernobyl's exclusion zone

A subculture of thrill-seekers, driven by a desire for rebellion and adventure, is representative of dark tourism in the region. Some stalkers sneak past militia posts to venture into abandoned ruins, risking radiation exposure while scavenging for ruins of the past.

The fabulous prison escapes of Japan's Yoshie Shiratori

Between 1936 and 1947, Japan's Harry Houdini escaped from prison four times, each more daring than the next. Even as the walls grew taller and the windows smaller, Siratori found ways to free himself from captivity.

A riveting retelling of the 1846 Donner Party, the doomed western pioneers

Eighty-one people went with the Donner Party into the Sierra Nevada mountains in the winter of 1846 via what they thought would be a shortcut to the West. Only 41 came out. The infamous episode of Western travel is captured in narrative detail in this four-part podcast series. This first episode reveals the motivations that pushed the party on this specific route.

How Lucia Moholy's photography captured the Bauhaus aesthetic

The photographer was one of the few affiliated with the school who photographed its locations, documenting the modern style long after the Nazis had driven its artists from Germany. This podcast episode explores why she went uncredited for so many years.

Hear the story of the largest single escape attempt by enslaved people in American history

On April 15, 1848, 77 enslaved individuals in Washington, DC, boarded a ship named the Pearl in the largest single escape attempt in US history. Their capture led to riots and intensified the conflict over fugitive slave laws.

Women were prohibited from the Boston Marathon, so Bobbi Gibb snuck in

Race directors assumed women could not handle the physical demands of the race. In 1966, Bobbi Gibb hid in the bushes near the starting line, then hopped in the race after it began, and became the first woman to finish the Boston Marathon, albeit unofficially.

How underground radio revitalized rock 'n' roll

Early FM was a wasteland and quickly became the domain of amateurs and risk-takers, including many stations and DJs who played music that flew in the face of mainstream trends. This history of the band's scrappy beginnings unpacks how it realigned the rock charts.

A secret airlift sent 14,000 Cuban children to the US

As part of the covert Operation Pedro Pan, roughly 14,000 Cuban children were quietly flown to the US in the early 1960s—often with no warning, no luggage, and no certainty they would ever see their parents again.

The nebulous nature of parole

When Jacob Wideman was 16 years old, he fatally stabbed his summer camp roommate and briefly fled authorities before turning himself in and confessing. After spending 30 years in prison, he was released on parole. Nine months later, Wideman was back in prison, accused of violating parole for not booking a therapy appointment fast enough. This is the first episode in a seven-part series exploring Wideman's case and parole.

Homo sapiens may have migrated into Europe earlier than previously believed

Archaeologists used to believe that Homo sapiens migrated to Europe from Africa about 42,000 years ago, at about the time that Neanderthals went extinct. This 27-minute podcast episode explores new evidence that suggests Homo sapiens migrated about...

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.

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.

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

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

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.

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

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

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

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.

In 1984, Operation Smash Hit intentionally crashed a 239-ton train into a nuclear waste canister at 100 miles per hour to prove the canister's safety, which remained completely intact and lost just 0.29 of its 100 pounds of pressure.

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

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.

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.

Explore what it's like inside a patient isolation unit, used in situations such as treating a patient or suspected patient with Ebola.

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

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

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

Planarian flatworms are small, aquatic worms with exceptional regenerative capabilities. When cut, the worms can regenerate multiple bodies in a matter of weeks.

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

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

Elk Cloner, the first computer virus to spread in public, was written as a practical joke by Richard Skrenta, a Pittsburgh high school student.

Waves off the coast of Nazaré, Portugal, can reach over 100 feet and are caused by the area's deep underwater canyon geography