Take an architectural walking tour of the National Mall

Take a look at Wall Street’s architecture

From an architect’s point of view, the buildings on Wall Street help tell the story of the street itself. Take a walking tour of many of the major buildings on Wall Street, guided by architect Nicholas Potts.

The 1902 McMillan Plan reimagined the National Mall as a formal, open civic space

Drafted by the Senate Park Commission, the McMillan Plan called for the removal of railroads, markets, and industrial uses from the Mall; revived key elements of Pierre L'Enfant's original layout; and established the framework for the Mall's long lawns, museum placement, and monumental core.

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.

The National Mall's oldest building is the Lockkeeper's House

Built in 1837, the Lockkeeper's House is the oldest structure on the National Mall. It once served the lockkeeper of the Washington City Canal and of an extension of the Chesapeake & Ohio Canal, part of early plans to bring commercial waterways into the capital.

Take a virtual tour through the White House interior

This immersive 360° tour from the White House Historical Association lets you explore key rooms and see historical details not visible during in-person visits.

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 National Mall hosts one of the country's largest July Fourth fireworks shows

Each Independence Day, the National Mall hosts a massive fireworks display coordinated by the National Park Service, drawing hundreds of thousands of spectators to the nation's capital.

Take a tour of the Museum of Natural History

Opened in 1910 on the Mall, the National Museum of Natural History is among the Smithsonian's oldest museums. Its scientists steward more than 148 million objects and specimens—making it the largest natural history collection on Earth.

There are over 20,000 trees on the National Mall

Nearly 4,000 of the Mall's trees are cherry trees, all maintained by a small National Park Service arborist team that provides year-round, science-based care to address soil compaction, root damage, and heavy visitor traffic.

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 architecture of the Met

Curious how the Met came to occupy its incredible campus? This video, which was produced in association with the exhibition “Making The Met, 1970-2020,” tracks the history of the museum through the evolution of its architecture. From its temporary location in a private residence to its intended home in Central Park, the building now reflects the many different eras of design, including Victorian Gothic and Modernism, that have influenced its facade through the years.

Americans touring the Louvre were inspired to create their own grand museums

The one-time royal residence was first transformed into a public museum in 1793 amid the French Revolution. Americans visiting in the early 1800s were both turned off by the aristocratic grandeur and compelled by the open access to the public. James Fenimore Cooper, the author of "The Last of the Mohicans," apparently came and measured the length of galleries.

An interactive map of 250 American places worth visiting before you die

The Smithsonian created ten categories of landmarks—from history and food to oddball Americana and architecture—to enrich your celebration of America's semiquincentennial. You can sort by region or category, see a map of each location, and learn each spot's significance in a clean, aesthetic user interface.

Take a virtual tour of a Usonian home

Wright's Usonian homes might have been more economical, but they didn't lack any of the inventive design of his other projects. That's evident throughout this tour of one of the homes in Pleasantville, New York's Usonia community.

Sheep once grazed on the National Mall and White House grounds

In the late 1910s, sheep grazed near the Lincoln Memorial and on the White House lawn. Under Woodrow Wilson, their wool was auctioned for charity, briefly making the grazing animals the subject of a federal cost-saving experiment.

Explore rare artifacts from the archives at Mount Vernon

This series from Washington's Presidential Library showcases rare books, maps, letters, and artifacts from his collection. It illuminates how he learned, governed, traveled, and understood the world around him.

Inside the architecture of Pyongyang's Kim dynasty

Since the bombings during the Korean War wiped out much of Pyongyang in the 1950s, three leaders of the Kim dynasty of North Korea have remade the ancient capital from the bottom-up, designing workers monuments, vast streets, and collectivized living spaces. Take a look inside the reclusive city with this architectural analysis accompanied by photographs.

HH Richardson developed the Romanesque architectural style

The Richardsonian Romanesque style, which the architect developed during the 19th century, blended the Roman and Renaissance arches found in France with the pointed arches of Victorian Gothic. Below is a fountain designed by Richardson honoring Detroit's 16th governor.

Hear a quick but insightful analysis of Mary Cassatt's 'The Boating Party'

Karen Jackson travels to the National Gallery of Art in Washington, D.C., to study an oil painting from 1893, walking listeners through a close reading of the canvas. Even if you can't make it to the museum, you can pull the image up and follow her guided analysis.

Take a walking tour of Cannes

This is the closest you'll get to exploring Cannes without setting foot in the City of Stars. Wander through the markets in Old Town, an historic church, and the Palais des Festivals et des Congrès, the home of Cannes Lions and the Film Festival.

Wildlife use Rome's sprawling archaeological sites as urban havens

The Italian capital features some of the world's most famous monuments as the inheritor of ancient Rome's grandeur. This photo essay explores the city's vibrant collection of wildlife, including long-concealed native crabs, peregrine falcons, and the beaver-like nutria.

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

Explore a collection of galleries of pollinators found in national parks

Many of the photographs were taken during pollinator inventories in national parks across the US. Although these inventories often focus on bees and butterflies, the collection also features beetles, moths, spiders, and birds that transfer pollen as they move from bloom to bloom.

See the Declaration—known as the Matlack Declaration—displayed at the National Archives

The iconic handwritten Declaration displayed at the National Archives was penned by Thomas Matlack, the Continental Congress’s assistant secretary. He was chosen for his exceptional handwriting to prepare the formal copy signed by the delegates.

How house colors can indicate gentrification

Reporters from the Washington Post share an analysis that indicates gray and neutrally toned houses are signs of gentrification in a neighborhood. Visuals of different paint swatches help illustrate which colors are chosen for newly built homes in certain DC districts.

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

Listen to 'We the People,' a weekly podcast from the National Constitution Center

Hosted by Jeffrey Rosen, this weekly podcast from the National Constitution Center brings leading legal scholars together to debate major constitutional questions, presenting competing arguments in a balanced, nonpartisan format.

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

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by more than 1.5 million Muslims each year.

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.

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

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

Explore the archaeological treasures of Pompeii, the city buried under volcanic ash when Mount Vesuvius erupted in 79 CE.

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.

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

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

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

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.

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.

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

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.

Hotels in Cannes, the glamorous city on the French Riviera, hire hawks to ward off seagulls during the city's famous film festival.

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.

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

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Learn how your body is, scientifically, like a firework with its own slow, controlled burn.

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%.

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