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

What was life like in walled-off West Berlin?

As Germany fractured along ideological lines, ruled by the Soviet Union in the East and Allied powers in the West, the capital city of Berlin, fully immersed in Soviet territory, became an island of refuge for people trying to flee Communist...

See the celebration at the Berlin Wall as it fell in 1989

In November 1989, East German guards stood down as crowds surged across the nearly 100-mile barrier encircling West Berlin. Thousands celebrated the wall’s sudden irrelevance and collapse. This ABC News report captures the moment’s upheaval and joy.

Reagan’s 'tear down this wall' speech challenged Soviet control of Berlin

In 1987, President Ronald Reagan stood at the Brandenburg Gate of the Berlin Wall and urged Soviet leader Mikhail Gorbachev to “tear down this wall.” The speech became one of the most iconic moments of the Cold War and a symbol of growing pressure on the Eastern Bloc.

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

This podcast recounts how a young West Berlin student excavated a secret 135‑meter tunnel beneath the Berlin Wall in 1962. A total of 29 East Germans escaped to freedom, even as a Stasi mole threatened exposure.

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.

Hear from people who experienced Germany's unification in 1990

What was it like to see Germany's fractured halves reunite in 1990? Explore eyewitness accounts of the reunification of Germany and the fall of the Berlin Wall in this collection of artist and resident interviews. The Berlin Wall sundered the city...

Communist governments across Eastern Europe fell in 1989

In 1989, a series of mostly peaceful uprisings led to the collapse of communist regimes in Eastern Europe. Protests and political shifts in countries like Poland, East Germany and Czechoslovakia marked the end of Soviet dominance in the region.

Churchill’s 1946 ‘Iron Curtain’ speech warned of growing Soviet domination

In a 1946 speech, Winston Churchill declared that an “Iron Curtain” had descended across Europe—dividing East from West. The address marked one of the first public acknowledgments of the emerging Cold War and coined the term that would define the conflict.

The Cold War (1947-1991) prompted the birth of NATO and the Soviet Warsaw Pact

The geopolitical rivalry between the United States and Soviet Union was considered “cold" because the two countries never directly engaged in military combat during the time period. This page from the Kennedy Presidential Library outlines the causes and major events of the early Cold War.

The Berlin Airlift was the largest in history and a major Cold War victory for the US

In 1948, the USSR blockaded West Berlin to pressure America and its allies. In response, the US and its partners launched the largest airlift in history—delivering supplies daily for nearly a year until Stalin backed down.

The Civil War turned the Continental Divide into an American symbol of identity

Historians argue that the boundary only became a celebrated American symbol in the 1860s, when Civil War-era leaders promoted a west-east geographic divide to replace the devastating north-south political divide, and that the term's use spiked after the transcontinental railroad crossed it in 1868.

The impressive walls of Constantinople

This video explores the land walls of Constantinople, built on the orders of Theodosius II in the mid-fifth century. They consisted of a triple line of defenses, studded with hundreds of towers and supplemented with a moat. The walls were besieged dozens of times, but were only broken in 1453 by the power of Ottoman cannons. As repaired by the Ottomans, the walls are still largely intact today.

The White House's modern East Wing—demolished in 2025—was built above a secure underground bunker

Completed in 1942, the East Wing provided offices and a public entrance but primarily disguised the construction of the Presidential Emergency Operations Center beneath it—a secure command bunker built during World War II after the attack on Pearl Harbor.

Explore a multimedia timeline of Communism’s global rise and collapse

This timeline from The Washington Post traces the spread of Communism—from revolutions and Cold War flashpoints to movements in China, Cuba, Korea, and Vietnam—using archival photos and key moments to chart the ideology’s dramatic ascent and worldwide decline.

South Korea is separated from North Korea by a demilitarized zone

There’s a lot of symbolism going on in the South Korean flag: a red-and-blue yin-yang represents the harmony created by opposing forces, and the white background represents peace and purity. The four black trigrams symbolize the four elements. The CIA World Factbook has more info on this country of 52 million, including where it ranks globally on obesity rates, energy consumption, and more.

View a photographic timeline of the building of Chernobyl's containment structures

The first structure—built to last 20 to 30 years—served as a covering for the exploded reactor and was built from about 16 million pounds of steel. In 2016, a new containment shell was constructed nearby and rolled onto the previous structure before being finalized in 2019.

Explore IFA Berlin 2025 exhibits and navigate the world’s largest consumer tech floor

The IFA Berlin official site showcases standout moments from the 2025 event, including cutting-edge product debuts and its floor plan, which covers thousands of square meters of smart home, audio, and lifestyle tech.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

How the Golden Gate Bridge was constructed

San Francisco's Golden Gate Bridge is one of America's most iconic structures and is considered to be an engineering marvel. Built in 1930's, before the advent of modern construction technology, the structure was considered impossible by contemporary standards.

The treaty that ended the First World War laid the groundwork for the Second

On June 28, 1919, the Treaty of Versailles officially ended World War I by demanding severe reparations, territorial losses, military restrictions, and the infamous “war guilt clause” against Germany. However, its harsh terms fostered deep resentment, economic instability, and political turmoil—ultimately becoming a catalyst for World War II.

Explaining why animals don't cross this invisible line in Indonesia

Although the distance separating the two regions is small, East and West Indonesia have starkly different species, puzzling scientists for decades. Biogeographers use the theory of plate tectonics to explain the phenomenon, arguing the two regions...

Abramović and Ulay ended their partnership on the Great Wall of China

After over a decade of romance and collaboration, the pair formally separated in a 90-day performance that involved walking over 12 miles a day in solitude.

The Sears Tower was the world’s tallest building for about 25 years

Originally constructed in 1970, the Sears Tower in Chicago was later renamed the Willis Tower shortly after Sears headquarters moved out of the building.

Nazi Germany replaced Advent calendars with depictions of family life under Nazi rule

During World War II, the Nazi regime banned printed Advent calendars because of religious messaging. Officials instead produced state-approved versions featuring swastikas, tanks, and Nazi symbols.

Why Bauhaus—the 20th-century design school and aesthetic movement—matters today

The school, founded by Walter Gropius in Weimar, Germany, in 1919, was an experimental educational environment that valued the function of an object before its form, a philosophy that would animate the rise of minimalist and modernist design in the 20th century.

The words 'separation of church and state' are not found in the Constitution

Responding to Connecticut Baptists concerned about religious liberty, Jefferson described the First Amendment as building "a wall of separation between church and state." The Supreme Court later cited the letter as an authoritative guide to the Establishment Clause.

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

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

See the most iconic photos from four decades of LIFE magazine

Before the current East Wing ballroom project, only two White House renovations in the past 100 years cost more than $10M.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

Famed poet TS Eliot rejected the manuscript for George Orwell's political fable 'Animal Farm,' writing that its criticism of authoritarianism was not 'the right point of view.'

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

Dorothy's famous entrance into Oz in 'The Wizard of Oz' relied on analog tricks, including a body double and sepia-toned paint, as much as it did on technology

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.

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

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

Sunflowers have long been a symbol of nuclear disarmament because they can extract large amounts of radioactive cesium from soil.

The history of many kitchen appliances involves unexpected discoveries and applications, including wartime radar turned hamster defroster and replacing an 'ice king' with heat-stealing boxes.

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

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 Russia-Ukraine conflict is the largest ground war in Europe since World War II in terms of casualties, forces mobilized, and displacement of civilians.

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.

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

The syncytiotrophoblast is the outer layer of the placenta and the largest human cell, spanning an area about twice that of a king-sized bedsheet.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

The boiling temperature of water decreases with increasing elevation because the molecules need less energy to overcome the lower atmospheric pressure associated with thinner air.

Marburg virus, related to Ebola, is also extremely deadly, and has no available vaccine.

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