Discover the 'American Serengeti' Lewis and Clark first recorded

Lewis and Clark identified 122 animal species new to science

The Corps of Discovery recorded wildlife unknown to Americans, including grizzly bears, pronghorn antelope, and prairie dogs—offering the first detailed descriptions of the West’s diverse and often dangerous fauna.

Native voices share their histories along the Lewis and Clark National Historic Trail

Tribal historians recount their peoples' histories and perspectives on the Lewis and Clark expedition, offering an Indigenous narrative of the lands, encounters, and legacies that shaped the journey.

The Corps of Discovery braved wildlife, weather, and near-starvation

Along their 8,000-mile trek through territory populated by tribes suspicious of their intentions, Lewis and Clark’s party faced many dangers—including grizzly bear attacks, freezing winters, treacherous river crossings, and periods of near-starvation. Watch a 30-minute elaboration of their heroic efforts here.

Clark’s maps provided the first detailed record of the American West

Covering over 8,000 miles, William Clark’s maps charted rivers, mountains, and tribal territories with remarkable accuracy. Equipped with sextants, compasses, telescopes, and more, Clark became an expert at surveying—requiring extensive celestial and topographical observations each day.

Explore Lewis and Clark’s 8,000-mile journey in Google Earth

Follow the Corps of Discovery’s full route from St. Louis to the Pacific and back on Google Earth. Explore key camps, Native encounters, and natural landmarks through satellite imagery and on-the-ground photos.

A free archive of firsthand historical documents from explorers of America

Maintained by the Wisconsin Historical Society, the American Journeys collection contains more than 18,000 pages of primary source documents—journals, letters, maps, and accounts written between roughly 1000 CE and the early 1800s. These include eyewitness records of the Norse arrival in North America, Spanish conquistador expeditions, and the Lewis and Clark journey. Browse this list of highlights where pages from the original texts are specified (clicking a link opens a PDF).

Listen to a podcast about the eerie side of national parks

Although the National Park System is a relatively recent invention, the lands it includes have been around since the dawn of time and, as a result, have accumulated some interesting folklore. This podcast walks you through some of the best legends about the parks.

Explore landforms that exist across America's national parks

Landforms are not just scenic vistas; they are geological storytellers that shape ecosystems, climates, and our understanding of Earth's history. In this comprehensive look at landforms from the National Park Service, you will learn not only about different types of American landforms, but you will understand how these geological features are shaped by various forces, how they reveal an area's geological history, and how they influence climate and ecology.

A riveting retelling of the 1846 Donner Party, the doomed western pioneers

Eighty-one people went with the Donner Party into the Sierra Nevada mountains in the winter of 1846 via what they thought would be a shortcut to the West. Only 41 came out. The infamous episode of Western travel is captured in narrative detail in this four-part podcast series. This first episode reveals the motivations that pushed the party on this specific route.

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.

Hear from a NYC public health official who led the first US investigation into West Nile

This podcast walks through the investigation into the first US outbreak of West Nile, and how the virus had never been seen in the Western Hemisphere. The official discusses how she thinks the origin of West Nile in the US may have been birds or other animals that were brought here illegally.

Colombia’s biodiversity performs the national anthem

Scientists and composers in Colombia trekked more than 600 miles collecting audio from the country's vast assortment of creatures. Using parabolic microphones, recorders, cameras and field gear, they recorded the sounds of birds, whales, landscapes, and more to eventually recreate their Colombia’s national anthem using its biodiversity as an orchestra. Follow the fascinating journey and listen to the “natural anthem” in the article.

Explore the technical side of the Erie Canal

Listen to this podcast from Northwestern University exploring the canal’s groundbreaking infrastructure—from locks and aqueducts to its role as America’s first large-scale engineered waterway.

The science of dogs, from wolf origins to color-blindness

This under 10-minute podcast episode dives into the rich, fascinating science behind dogs: From their world-class sense of smell to their domestication from wolves.

The Leopold Report was an early blueprint for ecosystem management

The 1963 report, officially known as Wildlife Management in the National Parks, recommended wildlife management and ecological preservation. In 2012, a follow-up report built upon the original paper to guide future park service policies based on scientific findings.

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

The American cockroach is actually from Africa—an apparent hitchhiker aboard ships carrying enslaved people—with evidence suggesting it may have arrived in the New World as early as the 1600s

This podcast delves into the history of Periplaneta americana and explores why the bugs elicit such fear, disgust, and, at times, shame. The bug likely climbed aboard the slave ships because they had both unprotected food sources and places to hide during their journey.

Watch David Attenborough catching a python on 'Zoo Quest'

The first series, hosted by the famed natural historian, was meant to be presented by Jack Lester, a curator at the London Zoo, who would be documented while they captured wildlife to bring to the institution. Because Lester became ill, Attenborough became the presenter and often participated in the capture of animals, such as snakes.

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.

1440 Explores: The Evolution of the US Presidency

1440 traces how the presidency transformed from the limited office envisioned by the Founders into today's powerful institution—examining how presidents like FDR and Nixon reshaped executive authority.

Explore three of the world's most iconic deserts

Investigate the Gobi Desert in Central Asia, the Wadi Rum Desert in Jordan, and the Sahara Desert in Northern Africa as you learn about the wildlife and people that call these places home. Click through images of the Gobi Desert, which—located in...

Watch how wild animals are projected into a mall

Centered around a dynamic, ever-changing watering hole, the experience allows you to meet a diverse range of animals from Africa to the Arctic as they graze, drink, and interact with the environment around them.

Listen to firsthand accounts of how Black Americans fought to end slavery and shape Reconstruction

This podcast explores the actions of Black Americans who fought for freedom before, during, and after the Civil War—highlighting their key role in abolition and the Reconstruction era.

How paleos dig up dinosaurs

Follow Kelsie Abrams and the dig team from the field to the lab, as they unravel mysteries from the end of the age of dinosaurs.

'The urge to explore has propelled evolution since the first water creatures reconnoitered the land. Like all living systems, cultures cannot remain static; they evolve or decline. They explore or expire.'

- Astronaut Buzz Aldrin (1930-present)

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

John Steinbeck's 'Sea of Cortez,' a travelogue through the Gulf of California, is still used by ecologists today.

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

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.

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.

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.'

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

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

See how Ebola tore through Guinea, Sierra Leone, and Liberia in 2014-2016.

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.

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.

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.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

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

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

Indefinite cloning of some endangered species may not sustain their longevity because cloning success rates decrease as genetic mutations accumulate.

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

Quincy Jones' 'Big Band Bossa Nova' helped introduce bossa nova—a jazz-influenced Brazilian genre—to the US

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.

Exploring the Larry Bird punch that almost changed March Madness

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.

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