Why Amsterdam looks so unique

The floating homes of Holland

Floating communities like Schoonschip in Amsterdam are offering a novel approach to combat climate change-induced flooding. With sea levels rising and storms becoming more intense, these floating neighborhoods are providing a sustainable flood defense solution. Learn how they work here.

Tulips were once viewed as alternative investments in Holland

In the 1600s, during a period of relative wealth for the Dutch after they gained their independence from Spain, some started collecting rare flower bulbs that created speckled and striped tulips.

In Amsterdam, planting organic flowers has increased native bee diversity by 45%

The citywide effort is an example of rethinking conventional agricultural methods, which rely on monocropping and heavy chemical use. Cover crops—plants grown to suppress weeds, prevent erosion, and attract pollinators rather than to be harvested—have also shown environmental benefits, despite not being sold for profit.

The world's oldest stock exchange was called the Amsterdam Stock Exchange

What is now referred to as Euronext Amsterdam got its start centuries ago, in the early 1600s. Back then, it was called the Amsterdam Stock Exchange—and it might not have existed without the Dutch East India Co.'s desire to raise funding for its seafaring ventures.

The National Mall once had canals and rail lines

In the 1800s, the National Mall looked nothing like it does today. Canals, rail lines, markets, and industrial uses crisscrossed the Mall before later redesigns cleared it into a unified civic landscape.

See how New York City has grown since 1609

Wall Street and the southern tip of Manhattan were the first parts of the island to be developed beyond farmland by Dutch and English settlers. It wasn’t long until New York City resembled the city we know today.

How parking infrastructure reveals a region's values

As cars became more popular, the need for city parking increased. In Europe, well-established cities with limited space generally opted for more expensive underground parking beneath public spaces to preserve aesthetics. Available land and decentralized planning in the US saw more parking lots and garages built. These decisions reveal broader policy realities for these regions.

Why water towers are built that way

Tenochtitlan, the Aztec Venice of Mesoamerica

Tenochtitlan was the capital city of the Aztecs, founded around 1325 on an island in Lake Texcoco, in what is today Mexico. It was a major political, economic, and religious center until its destruction by the Spanish in 1521. This video explores the marvels of the city, which began as an island but grew via causeways and in-filled land and culminating in a North American Venice.

Inside the most crowded place on Earth

Once the densest place on Earth, Kowloon Walled City was a chaotic labyrinth of stacked homes, hidden corridors, and thriving underground life.

How landlocked Moscow became Europe's biggest city

It's far enough north to have avoided the nomadic hordes who, for centuries, raided the European plain to its south—but it's just south enough to still farm the land. What's more, Moscow is protected by the huge taiga forests and is guarded by rare east-west rivers in a continent with mostly north-south ones.

The Greek city of Alexandria in Egypt helped form the template for modern cities

It was designed by Dinocrates, who studied under Hippodamus, the father of urban planning. Hippodamus preached that urban planning should take into account function, culture, and politics. Dinocrates' design of Alexandria meant applying Hippodamus' teachings on a scale never before attempted.

The skinniest house in America was built out of spite

John Hollensbury was a brickmaker in the early 1800s, living in Alexandria, Virginia. He also had the misfortune of living next to an alley around 7.5 feet wide where horse-drawn carriages scraped against his wall and rowdy loiterers stood by. To solve his problem, he built what is now known as the Alexandria Spite House. Read more about the home created to end neighborhood riffraff.

Why Belgium is now the cocaine capital of Europe

Belgium has become Europe’s cocaine-trafficking capital. Recently, Belgian ports have seen record seizures of cocaine. In 2020, the port of Antwerp accounted for 40% of all cocaine seizures in the EU. And local authorities are struggling with the...

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

Japan is home to intricately designed region-specific manhole covers

The country's eye-catching sewer covers were a form of brand rehabilitation, intended to change people's perceptions of the sewer. Additionally, they're easy to see at night, making firefighters' nighttime duties a bit easier.

Container ships are just a fraction of total traffic via the canal

While more container ships traverse the canal than any other type of ship, vessels carrying dry bulk goods, vehicle carriers, chemical tankers, passenger ships, and more also pass through the Central American passageway.

Explore the world's most famous leaning towers and structures

Pisa gets all the fame, but the quirk of a tilt adds precarious charm to dozens of famous buildings around the world. There are Pisa replicas, but also old castle towers, crooked houses and tilted churches and mosques.

The fascinating urban planning experiment that birthed Brazil's capital city

In 1960, the country moved its capital from Rio de Janeiro to Brasília, a city in the middle of the country built from scratch in just four years.

How Monet’s paintings changed the way we see London

Between 1899 and 1901, legendary French Impressionist painter Claude Monet produced over 100 paintings of London consistently shrouded in fog. Art historians claim this series left a permanent mark on how we perceive the capital city, inevitably layered in obscuring and dramatic mist. See some of the paintings and read more here.

The origin of shortest-path algorithms and how they became optimized for navigation apps

In 1956, Dutch programmer Edsger Dijkstra spent about 20 minutes developing an algorithm to demonstrate how computers could quickly determine the shortest route between Rotterdam and Groningen. Since then, modified versions of Dijkstra's formulation comprise the processing backbone of systems such as Google Maps and Apple Maps.

Prairie style homes are low with dramatic horizontal lines

Prairie style houses are characterized by their long, low, and boxy open plans, emphasizing horizontal lines. Inspired by his upbringing in Wisconsin, Frank Lloyd Wright spearheaded the Prairie style and created houses according to this plan from 1899 to 1910.

The history of Solvang, California's little Danish village

Just north of Santa Barbara sits a curious California gem: Solvang, a small town constructed in the Danish Provincial style. This video tour of the village provides a fascinating history of how the town became a miniature Copenhagen and does so in a unique way: by trying to recreate vintage photographs of the town. It makes for an entertaining and educational tour.

Meet the hidden Americans

Who represents America? This stunning interactive photo essay by Dutch artist Robin de Puy reveals a world many in the mainstream US do not see. She traveled thousands of miles to document the stories of individuals across the country, compiling them in dozens of episodes spread across three parts, revealing the messy nuances of everyday life for everyday people. Search the index or click through episode to episode in this spectacular project.

The bizarre 1920 proposal to form a pizza-shaped central European state

In light of the challenges of the Treaty of Versailles, which concluded the Great War, a mostly unknown author, and son of the map's printer, PA Maas suggested central Europe be integrated into a single state. With a central capital in Vienna, 24 Kantons, or regions, would radiate outward in pie-slice shapes.

Some 19th century astronomers thought Mars was inhabited

As telescope technology advanced, astronomers became able to observe the surfaces of objects in our solar system with greater detail. The dips, valleys, and lines crisscrossing Mars, particularly, captured onlookers' imagination, leading some to speculate that the seemingly organized features could only have been created by an intelligent civilization.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.

The 19th-century painters of the Hudson River School were among the first American romantics, with portraits that displayed the natural beauty of the young country.

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

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

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

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

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

See photos of Meteora, a mountainous site in central Greece, home to 14th-century monasteries perched atop soaring outcroppings.

This real-time tracking of the hantavirus cruise ship outbreak in May 2026 offers a unique glimpse into the global reach of the outbreak and whether the virus sickened passengers and their communities around the world.

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.

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

Poison ivy was sent to Europe in the 1600s as an exotic, ornamental oddity, where it was purposefully grown in the English royal gardens at Kew, the Faculty of Medicine in Paris, and a few other locations.

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

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

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

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

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.

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

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.

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

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