Portrait of a female author standing against a brick wall, wearing a green jacket and grey shirt.

Sophia R.

Dixia Cheng: Beijing's Underground City Built to Survive a Soviet Nuclear War

Mao made 300,000 Beijingers dig a secret nuclear shelter under the city by hand — big enough for half the population. Then everyone forgot it.

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Dixia Cheng: Beijing's Underground City Built to Survive a Soviet Nuclear War

The Cold War

Relive the global tension of the Cold War. Documenting the Iron Curtain, nuclear bunkers, and the geopolitical standoff that divided the world.

Area 52: The Secret Base Doing the Work Area 51 Is Too Famous For

Area 52: The Secret Base Doing the Work Area 51 Is Too Famous For

Area 51 got too famous to hide anything. So America's real secret testing moved 70 miles away, to a base most people have never heard of: Area 52.

Tito's Bunker (ARK D-0): Inside Yugoslavia's Largest Secret Nuclear Command Center

Tito spent 26 years and $4.6 billion secretly digging a nuclear bunker for 350 people under a Bosnian mountain. He never once set foot inside.

Baikonur Cosmodrome: The Secret Spaceport That Hid Rocketry's Worst Disaster

Baikonur gave humanity the stars. It also buried rocketry's worst disaster for 29 years — and lied about its own name.

Portrait of a male author with glasses standing against a concrete wall, wearing a green shirt and jacket.

Vilnius Genocide Museum: The KGB Prison That Erased Lithuanians

For fifty years the Soviet KGB tortured and shot Lithuanians in this Vilnius basement — about 1,000 killed in a room marked 'kitchen.'

McMurdo Station: Antarctica's Largest Settlement and the Nuclear Reactor It Buried at the Bottom of the World

Antarctica's largest base ran on a leaking nuclear reactor for a decade — until cleaning it up forced the U.S. to ship a contaminated mountain home.

Teufelsberg: The American Spy Dome on Top of 75 Million Cubic Yards of Buried Berlin

Eighty meters of broken Berlin cover a Nazi building the Allies couldn't destroy. The Americans put a listening station on top.

Menwith Hill: The Largest American Spy Base on British Soil

The British government has refused to publicly discuss what happens at Menwith Hill for seventy years. Edward Snowden forced part of the answer into the open.

Edward C.

Semipalatinsk: The Soviet Nuclear Polygon That Poisoned a Million People in Secret

Tragedies & Disasters

Semipalatinsk: The Soviet Nuclear Polygon That Poisoned a Million People in Secret

The Soviet Union detonated 456 nuclear bombs on the Kazakh steppe while 1.5 million people lived downwind. A secret clinic studied them instead of warning them.

Beelitz-Heilstätten: Germany's Largest Abandoned Sanatorium That Treated Hitler and the Soviet Army

The German sanatorium that healed Hitler in 1916, hid Honecker in 1991, and held a closed Soviet city in the pines for 50 years — still standing in the forest.

Željava Air Base: Tito's $6 Billion Underground Fortress That Its Own Army Destroyed

The $6 billion underground airbase built to survive a nuclear strike — destroyed in three days by the army that spent 35 years defending it.

Uranium City: Canada's Atomic Ghost Town on the Edge of the World

Canada built a model city in the subarctic to mine uranium for the Cold War. On December 3, 1981, a man in a corporate jet told 5,000 people it was over.

Portrait of a male author wearing a cap and backpack, smiling with a city skyline at sunset in the background.

The 38th Parallel: The Most Militarized Border on Earth

Two colonels, one map, thirty minutes — and Korea was split in half. The story of the line that started a war, killed millions, and still divides a nation today.

Pyramiden: The Soviet Utopia at the Edge of the World

Why does the world’s northernmost grand piano sit silent in the freezing High Arctic? Step inside Pyramiden, the abandoned Soviet "utopia" on Svalbard where time stopped in 1998.

Sillamäe: The Soviet Nuclear City That Vanished from Every Map

For 43 years, a city on Estonia's coast didn't appear on any map. Its residents couldn't say where they lived. Now it's one of the strangest places in the EU.

Narva: The Most Russian City in the European Union

An Estonian city where 96% speak Russian, a third hold Russian passports, and Moscow runs separatist campaigns to tear it from NATO. The story of Narva.

Edward C.

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Dixia Cheng: Beijing's Underground City Built to Survive a Soviet Nuclear War

The Cold War

Area 52: The Secret Base Doing the Work Area 51 Is Too Famous For

Tito's Bunker (ARK D-0): Inside Yugoslavia's Largest Secret Nuclear Command Center

Baikonur Cosmodrome: The Secret Spaceport That Hid Rocketry's Worst Disaster

Vilnius Genocide Museum: The KGB Prison That Erased Lithuanians

McMurdo Station: Antarctica's Largest Settlement and the Nuclear Reactor It Buried at the Bottom of the World

Teufelsberg: The American Spy Dome on Top of 75 Million Cubic Yards of Buried Berlin

Menwith Hill: The Largest American Spy Base on British Soil

Semipalatinsk: The Soviet Nuclear Polygon That Poisoned a Million People in Secret

Beelitz-Heilstätten: Germany's Largest Abandoned Sanatorium That Treated Hitler and the Soviet Army

Željava Air Base: Tito's $6 Billion Underground Fortress That Its Own Army Destroyed

Uranium City: Canada's Atomic Ghost Town on the Edge of the World

The 38th Parallel: The Most Militarized Border on Earth

Pyramiden: The Soviet Utopia at the Edge of the World

Sillamäe: The Soviet Nuclear City That Vanished from Every Map

Narva: The Most Russian City in the European Union

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Nagasaki: The Forgotten Tragedy (Part II)

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