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

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

Yellowstone was the world's first national park

Before it was designated as such, it was home to 27 Indigenous tribes, including the Blackfeet, Crow, and Nez Perce. European trappers and traders traveling west were entranced by the area’s stunning beauty and natural resources, fueling a push for the government to preserve the land for future generations.

Ansel Adams' photographs captured the majesty of a growing National Park System

The famed American photographer was an ardent conservationist and believed deeply in the promise of the national parks. His photos sought to capture the feeling of seeing the parks' mountains, lakes, and vistas firsthand. Below is one example, taken at Lake McDonald in Glacier National Park.

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.

Yellowstone National Park is situated atop an active supervolcano

Yellowstone showcases geothermal phenomena, including the famous Old Faithful geyser and the vibrant Grand Prismatic Spring. The park's unique geological and ecological features make it an exceptional destination for visitors from around the globe.

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.

Sculptor and painter Charles M. Russell focused on the Old West

The Montana artist, known for his realistic portrayals of cowboys and Native American life, began to gain national attention after traveling to New York and establishing connections in the art world. Still, he spent most of his time in Great Falls, Montana, where he completed approximately 4,000 works.

National parks, explained

Roughly 83 million acres of the United States are set aside as federal National Parks land, an area large as Germany. From the original Yellowstone Park to small monuments and memorials, learn the essentials on this portion of America dedicated to public enjoyment and recreation with our quick explainer video.

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.

The 52-mile marvel of engineering inside Glacier National Park

Glacier National Park is home to over one million acres of natural beauty, but it also includes 52 miles of a manmade miracle in Going-to-the-Sun Road, which takes drivers on a majestic tour through some of the park's most breathtaking views. This brief history and photo gallery allows you to gain an appreciation for the incredible engineering behind the road’s construction.

The National Park Service responded to the postwar influx of visitors with a massive project

As the American road trip evolved into a popular vacation option, the national parks became overwhelmed by the influx of tourists. The Mission 66 initiative was launched as a way to respond to the interest, improving and expanding the parks' facilities.

Lewis and Clark’s journey became a blueprint for future exploration

Combining science, diplomacy, and logistics, the Corps of Discovery created a model for later expeditions—from charting the Arctic to NASA’s space missions.

How one biologist drew a national park's definitive map

Long before GPS, biologist John Cely mapped the swampy terrain of South Carolina's Congaree National Park by hand, and mostly from memory. The map was so accurate, it became the preferred resource for the park's rangers. This Atlas Obscura article explores how Cely acquainted himself with the park's particulars and how the map grew from an unofficial peculiarity into the park's definitive guide.

Goya's 'The Second of May 1808' inspired Picasso's 'Guernica'

Goya’s painting commemorated Spanish resistance to Napoleon’s armies, making it a notable part of both the history of Spain and the romantic movement. But it took scholars over a century to realize the impact it had on Pablo Picasso, whose own anti-war work, “Guernica,” used Goya’s painting as a reference.

The original article revealing Machu Picchu to the world

After first coming upon the ruins of Machu Picchu in 1911, Hiram Bingham’s subsequent expeditions were funded by Yale University, the Peruvian government, and $10,000 from a then-young National Geographic Society—in fact, it was the first archaeological grant that NatGeo ever issued. The magazine devoted its entire April 1913 issue, all 192 pages, to Bingham and his findings. You can read that issue in its entirety here.

Grant's third-term ambitions helped create the GOP's elephant symbol

In 1874, as Republicans debated Ulysses S. Grant possibly seeking a third term, Harper's Weekly ran a Thomas Nast cartoon showing a panicked elephant labeled "The Republican Vote." The image caught on, cementing the elephant as the GOP's enduring symbol.

The Smithsonian was first funded by a man who never visited the US

The Smithsonian Institution was established through a gift in the will of James Smithson, a British scientist who never visited America but left his fortune to establish an institution dedicated to the "increase and diffusion of knowledge."

The default wallpaper for Windows XP, 'Bliss,' was taken in Sonoma, California

Captured by National Geographic photographer Charles O'Rear in 1996, the photograph was uploaded to the stock image site Westlight in 1998, before being purchased by Microsoft. As of 2023, the hillside in the image is now home to rows of grapevines.

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.

One graffiti artist turned a train tunnel into his gallery

Chris Pape, also known as Freedom, began exploring a tunnel under Manhattan's Riverside Park when he was a kid. As he grew more involved with graffiti, he turned its walls into a massive art project, one that reflected both the history of graffiti and the people who made the tunnel their home.

See a gallery of art and architecture at New York City's UN building

The group's nearly 200 member states have contributed art and cultural experiences to the New York campus since the building's founding in 1950. This gallery hosts hundreds of photos of the art on the premises.

Manifest destiny fueled US aggression against Mexico

The belief that the United States had a divine right to expand westward—known as manifest destiny—justified President Polk’s push for territorial conquest. It shaped public support for the Mexican-American War and framed the invasion as national destiny.

A 21-year-old college student designed the Vietnam Veterans Memorial

In 1981, a 21-year-old Yale architecture student, Maya Lin, won the national design competition for the Vietnam Veterans Memorial. The design was controversial for rejecting heroic statues, using a black wall, and avoiding overt patriotic symbolism.

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.

Explore over 46,000 pages of Charles Darwin's manuscripts

The American Museum of Natural History hosts almost 35,000 digitized folios related to evolution within the fields of botany and zoology from Darwin's Beagle voyage. High-resolution color images, geological findings, and annotated books from Darwin's personal library are also viewable.

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.

Meet the Marree Man, one of the world's largest works of art

In the summer of 1998, a pilot flying over the Australian outback discovered a geoglyph 1.7 miles long featuring an aboriginal man hunting. The massive work of art is one of the world's largest.

The Great Salt Lake's distinct dual coloration results from high-salinity organisms that only live in the northern portion and produce a purple protein.

The original copy of the Declaration of Independence is not a pristine document, and even features a smudged anonymous handprint in the bottom left corner.

See the 25 of the best photos of auroras from around the world.

Georgia O'Keeffe's flower paintings are often assumed to be sexual, though the artist claimed she was simply interested in highlighting the beauty of flowers that most people neglect

Dorothy's famous entrance into Oz in 'The Wizard of Oz' relied on analog tricks, including a body double and sepia-toned paint, as much as it did on technology

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

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.

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

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

The tragic Pulitzer Prize-winning image 'The Vulture and the Little Girl' (1993) generated controversy, raised concerns about ethics in photography, and eventually led to the photographer's death.

Explore our favorite visualization of the immense scale of space, from an astronaut to the size of the observable universe

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

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

Some Pokémon have been named after real and fictional organisms, while some real-world species have been named after Pokémon, such as Chilicola charizard and Binburrum zapdos.

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

The Ramones' 'Pet Sematary,' the theme song for the Stephen King novel of the same name, was written while the band was admiring the writer's collection of horror memorabilia.

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.

Volcanoes 'die' when their supply of magma runs out, if they are shifted away from their underlying magma reservoir, or if they get clogged by collapsing or their magma cooling back into rock.

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

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

The concept of phantom limbs, the perception that amputated limbs are still present, dates back to a French military surgeon in the 16th century.

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.