The unbuilt monuments of Washington, DC

Go inside the Washington Monument

This video tour of the Washington Monument explores its interior, construction delays, political battles, memorial stones, earthquake damage, and later modernization—showing how symbolism, engineering, and 19th-century politics shaped the nation's tallest monument.

Washington, DC, was designed by French-born architect Pierre L'Enfant

Pierre Charles L'Enfant was an engineer who fought in the American Revolution. George Washington chose him to design the capital for his military service, artistic training, and vision of a monumental national city.

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.

The Lincoln Memorial was almost never built

The Memorial faced years of opposition from Speaker of the House Joseph Gurney Cannon, who blocked it for nearly a decade, arguing that the swampy land west of the Mall was an unfit and undignified site to honor Lincoln.

The Compromise of 1790 broke a deadlock over debt and the national capital

In 1790, Alexander Hamilton, James Madison, and Thomas Jefferson reached an agreement that allowed Congress to assume the states' war debts and to approve a permanent national capital on the Potomac River.

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.

The controversy behind the Vietnam Veterans Memorial

It's now a standard stop for tourists visiting Washington, DC, but before it was built the Vietnam Veterans Memorial triggered an internecine battle between the war's veterans, some of whom believed the planned memorial was offensive. This short documentary recounts the controversy and the ultimate triumph of the memorial, which helped change the country's impression of the war and its soldiers.

America's most underrated places to visit

The United States is vast, with beautiful and fascinating cultural hubs, landmarks, and natural wonders to fill a lifetime of travel. These landmarks can be well-known and top everyone's bucket list, or they can fly under-the-radar. Here's a list of...

Congress meets and legislates in the US Capitol building

The United States Capitol reflects neoclassical ideals drawn from ancient Greece and Rome. First opened to Congress in 1800 and repeatedly expanded over time, it remains the symbolic and functional home of both The House and The Senate.

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.

Every type of US national park, explained

Ever wonder what kinds of sites comprise the US National Park System? Using the recent re-designation of New River Gorge as a national park as a jumping-off point, this engaging video breaks down the 19 different designations within the National Park System. This includes parks, reserves, monuments, and scenic trails.

Why are ancient ruins underground?

When cities fall into disrepair, it's often easier to flatten what you can and build on top. This is why modern archaeologists frequently discover ruins underground, revealing generational layers of cities rebuilt over time. This video explores major examples of this principle, from ancient Troy to even modern Seattle.

Superman's fictional hometown of Metropolis is likely based off Delaware

Each film version of "Superman" imagines the town along the lines of existing cities: from New York City and Chicago all the way to the coast of Delaware Bay, where the original writers suggested the town was based. James Gunn's 2025 reboot doubles down on the Delaware connection.

Thomas Jefferson dismissed the Erie Canal as 'little short of madness'

When first proposed, President Jefferson scoffed at the idea of carving a 363-mile waterway through wilderness and rock. With no precedent in American engineering, the canal seemed impossible.

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.

Washington DC's first public library, built in 1903, now operates as an Apple store

The Carnegie Library served as DC's central library until 1972, when overcrowding forced a move to the Martin Luther King Jr. Memorial Library. After sitting unused for five years, the building changed hands several times before Apple agreed to restore it and open a store there in 2016.

The Smithsonian is the world's largest museum complex

With 21 museums and the National Zoo, the Smithsonian Institution is the world's largest museum complex. Eleven of those museums sit directly on the National Mall, and all offer free admission to the public.

Each design detail on the US $1 bill has significance

The eye in the triangle floating above the pyramid, for instance, is “the Eye of Providence watching over and ensuring the endurance of the structure of the American government.” This article details every design choice’s significance on the dollar—and a few conspiracies around these choices as well.

The billion-dollar ghost town in Baltimore

As a Rust Belt city looking to revitalize its economic core, Baltimore, Maryland, sought big investments from developers and municipalities. The so-called Baltimore Peninsula is a billion-dollar neighborhood in south Baltimore initially prompted by the investment of Under Armour CEO Kevin Plank. In 2025, the glossy, grand urban neighborhood is still empty, with fully-built condos and retail spaces.

An architect ranks the best bridges in the world

Architext Ezra Groskin builds bridges and argues that the best bridges do more than allow traffic. They should, he believes, encourage human interaction and lingering to ultimately become a destination of their own. Explore ten stunning designs that connect communities, from New York to Switzerland.

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

Washington's whiskey distillery at Mount Vernon was one of the largest in the country

By 1799, Mount Vernon's distillery produced nearly 11,000 gallons of whiskey annually, making it one of the largest commercial distilleries in the United States during Washington's lifetime and a significant source of income for the estate.

DC has the highest share of low-income renters on housing assistance in the country

Seventy-two per every 1,000 residents in the nation's capital were low-income residents on housing assistance as of the year 2024.

For decades, the US has considered building a permanent nuclear waste repository

All nuclear waste would have been stored at Nevada's Yucca Mountain, but the Obama administration indefinitely stalled the project after intense community backlash. Spent fuel is now stored at more than 80 locations in 36 states, raising safety concerns.

Why Americans keep buying McMansions

Some argue that McMansions—large, relatively newly built, amenity-filled, cookie-cutter homes—are ugly. Others say they're just not a good investment. And yet Americans continue buying them. This video explores why McMansions are still popular despite these criticisms, and how these homes got their start in the first place. Watch the video here.

USDC's reserves were held at Silicon Valley Bank when the bank collapsed

One of the world's largest stablecoin's reserves were held at Silicon Valley Bank, which famously failed in March 2023. USDC briefly lost its peg to the US dollar for a time as a result, within investors pulling out billions of dollars.

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

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

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

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

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

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

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

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

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.

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

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

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.

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

Most of the observable universe's volume consists of voids and supervoids—enormous regions of space with little to no galaxies, stars, or light.

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.

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

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

Corals are themselves not coral reefs—the term refers to the tiny marine invertebrates that build the rigid reef.

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

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.'