The AIDS Memorial Quilt turned the National Mall into a public memorial in 1987

The Vietnam Women's Memorial was the first monument to American military women on the Mall

Dedicated in 1993, the Vietnam Women's Memorial became the first monument on the National Mall honoring American military women and recognizing the estimated 11,000 women who served in Vietnam.

It took nearly a century to build the National Museum of African American History and Culture

Although Congress first authorized a national memorial to Black achievement in 1929, the National Museum of African American History and Culture did not open until 2016—after decades of stalled efforts, renewed legislation in 2003, and a prolonged fight over funding and location.

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.

At 3 pm on Memorial Day, Americans are asked to pause for one minute of silence

President Bill Clinton first called for the National Moment of Remembrance in 1999, and Congress made it law in 2000. The time was chosen because most Americans are in the middle of holiday activities.

Watch New York City's Tribute in Light to the victims of 9/11

Tribute in Light is a commemorative public art installation first presented six months after 9/11 and then every year thereafter, from dusk to dawn, on the night of September 11. It has become an iconic symbol that both honors those killed and...

A look at the World War I memorial and its artist

Sabin Howard is the sculptor for the National World War I Memorial, soon to be installed in Washington, DC. This Smithsonian Magazine article talks to the artist and details his approach and style in designing the piece. The finished sculpture will tell the story of a young WWI American soldier across five scenes featuring 38 larger-than-life figures, stretching out over 60 feet and standing at 10 feet.

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.

The iconic National Parks posters were the product of a New Deal arts initiative

Ranklin Delano Roosevelt established the Works Progress Administration in 1935 as a part of his New Deal. The program was intended to both create American jobs and inspire regular citizens through art. The Federal Art Project, as a part of the WPA, employed over 5,000 artists to work on projects, including the now-iconic National Parks posters.

Magic Johnson's announcing he had HIV changed public perception of the disease

When Lakers superstar Magic Johnson announced he had HIV in 1991, the disease was highly misunderstood. Commissioner David Stern had behind-the-scenes conversations with Johnson about publicly handling his eventual announcement, leading to the start of the condition's destigmatization.

Mary Cassatt's mural from the 1893 World's Fair mysteriously disappeared

The massive mural was called "Modern Woman" and was displayed in the Woman's Building at the 1893 World's Columbian Exposition, better known as the Chicago World's Fair. When the fair closed in October of that year, the mural was put into storage, but it later went missing. It hasn't been located since. All that remains are black and white photos of it, like the one below.

Dylan opened for Martin Luther King Jr. at the March on Washington

The apex of Dylan’s era as a “protest singer” was his appearance, alongside collaborator and sometimes-lover Joan Baez, at the March on Washington for Jobs and Freedom. It was the same demonstration where Martin Luther King Jr. delivered his “I Have a Dream” speech. Dylan performed four songs, including a scathing version of “Only a Pawn in Their Game,” a ballad about Medgar Evers, an activist who was murdered at his home in Mississippi by a white supremacist.

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.

Live Aid featured 16 hours of live music across two continents

The 1985 benefit concerts took place in London and Philadelphia, and performances from both locations were televised simultaneously.

‘The Artist Is Present’ is one of the most famous performance pieces in history

The exhibit at the Museum of Modern Art invited visitors to sit in silence in the company of a master performer. Many shed tears or gestured affectionately, claiming to have felt a profound connection with Abramović. (This resource contains some artistic nudity.)

In 1988, Basquiat died from a heroin overdose

Basquiat’s fame took a toll on the young artist. He felt pigeonholed and caricatured as a Black artist. He used heroin to cope with the pressure, but his addiction grew worse after the death of his mentor, Andy Warhol. He overdosed in 1988, after attempts to get clean.

The crew of the ISS creates unique memorials for deceased colleagues

The continued human occupancy of the International Space Station since 2000 has led to the development of social and cultural elements by crew members, which the ISS Archaeology Project has catalogued. Records of handmade cakes, decorations, and memorabilia highlight the human aspect of living in space.

A gallery of medical illustrations from NIH

The National Institutes of Health provides educational materials for broad use. The institute hosts a Flickr account with many different image galleries, including this one (with over 70 images to date) that illustrate and annotate curious phenomena, from the life cycles of a malaria parasite to the comparison of male and female bladders. Explore the gallery here.

The history of the Met Gala

Learn how the famed Met Gala went from a small fundraising dinner to a star-studded event that brings in millions of dollars in donations every year. The gala has always centered on fashion. It’s a fundraiser for the Costume Institute dreamed up by one of the founders of New York Fashion Week. Over the years, that relationship has grown even closer and more creative.

The Grateful Dead's online bulletin board system inspired the early internet

The legendary countercultural band the Grateful Dead had a popular hub on The Well, an online extension of the Whole Earth Catalog, a popular hippie magazine in the '60s and '70s. Users included Craig Newmark (founder of Craigslist), Steve Case (founder of AOL), and Steve Wozniak (cofounder of Apple).

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.

Markers along the Underground Railroad

An interactive map of all National Park Service designated sites that were part of the Underground Railroad, helping shuttle escaped enslaved people to freedom.

More than 40 states have passed versions of the Uniform Declaration of Death Act

The 1981 model law, now enacted in most states, is the legal basis for death in the US. There have been many efforts to amend this law, citing the need for more transparency to improve trust between families and the medical profession, though none have moved forward. Alterations to the law could have implications for organ donations and removing life support.

An exploration of the life and death of US malls

American malls sought to recreate the cohesion of a downtown shopping center but with the indoor, quiet convenience of a rural or suburban setting. First developed in the 1950s, malls quickly took off and became the spine of American retail shopping. In the last two decades, online retail has forced many to close, leaving behind peculiar, vast abandoned spaces. Pick through the stark nostalgia with this fascinating photo essay.

Madison Square Garden and Madison Avenue are indirectly named after James Madison

Madison Square Park was named for James Madison in the 1800s. Madison Avenue later took its name from the park, and Madison Square Garden was named after Madison Square, indirectly linking both landmarks to Madison.

Maryland required cholera researchers to fly a yellow warning flag—signifying quarantine dangers in the 1970s

University of Maryland Hospital researchers intentionally infected volunteers with the cholera bacterium in the late 1970s to further their understanding of the disease. They proceeded with this work following the recommendation of a US government panel. (Some users may encounter a paywall.)

See the most iconic photos from four decades of LIFE magazine

Cultural norms about how to handle the bodies of loved ones in communities in West Africa have hampered Ebola responses.

Tattoos remain visible on your skin thanks to immune cells called macrophages

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

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

Experimental hantavirus vaccines and therapies, still under development, have long been funded by the US military.

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.

View the ten deadliest tornadoes in US history.

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

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

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

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

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.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

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

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

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

This poison ivy knowledge quiz—accompanied by photos of the plant's varied forms—may help you identify this common rash-inducing growth.

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.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

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

Elk Cloner, the first computer virus to spread in public, was written as a practical joke by Richard Skrenta, a Pittsburgh high school student.

Prince's sexually explicit 1984 track 'Darling Nikki' attracted the ire of the Parents Music Resource Center, an advocacy group that inspired the Parental Advisory sticker, even though the song ends with a Christian message.