See how the National Archives protects America's founding documents

America’s founding documents were once housed in other government buildings

Today, the Constitution and Declaration are displayed at the National Archives. Still, for more than a century, they were kept by other federal institutions—including the State Department and the Library of Congress—before gaining a permanent home in the 1930s.

The Declaration has survived centuries of travel, damage, and preservation missteps

This piece traces the Declaration's 200-year journey from its creation in 1776 through repeated relocations, risky copying methods, light damage, fires, wartime evacuation, and shifting federal custody—long before modern archival protections existed.

See a timeline of the Declaration's creation

This National Archives timeline walks through the Declaration’s creation step by step—from early calls for independence to drafting, approval, and final signatures—highlighting the key moments that led to the Colonies’ break from Britain.

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.

What "National Treasure" got right—and wrong—about the Declaration

The 2004 film "National Treasure" imagines a secret map hidden on the Declaration of Independence. This article breaks down which plot points reflect real history—and where Hollywood took liberties with the document, its preservation, and the people it portrays.

See 10 of the artifacts on display at the Smithsonian's America at 250 exhibition

From Thomas Jefferson's portable writing desk to a first-generation iPod, the National Museum of American History is showcasing 250 objects across all three floors to mark the 250th anniversary of the Declaration of Independence.

Explore 'The Presidents' collection

PBS's "The Presidents" collection profiles America's leaders through award-winning documentaries, interviews, and archival footage. The series captures how each president reflected the nation's values, crises, and culture while shaping the office's power and legacy.

Why helium helped preserve the US' founding documents, but was later replaced

In 1951, the Charters of Freedom were stored in glass and metal cases filled with helium, which would not chemically react with the documents. After microscopic cracks were identified in the glass through which helium could leak out of and—experts feared—pollutants could infiltrate, new encasements made of aluminum, titanium, and argon replaced the old system in 2003.

The National Archives history resources for teachers

This free (with registration) resource provides a range of historical and primary source documents and tools for history teachers, compiled by the National Archives.

See rare Civil War photographs preserved by the National Archives

The Civil War was the first major American conflict documented by a camera, with its images distributed widely to the public. The National Archives' digital collection offers thousands of original Civil War images: portraits, battlefields, hospitals, and everyday life.

Go behind the scenes of Air Force One

ABC News takes viewers inside Air Force One, revealing how the president's plane operates as a secure command center in the sky. Explore the logistics and coordination that go into every presidential flight.

Nearly 99% of the Smithsonian's specimens are hidden in high-security

At the National Museum of Natural History, nearly 99% of its 147 million specimens are stored in secure research collections rather than on display, where they are actively used for scientific work ranging from tracking invasive species to improving aviation safety.

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.

View 60 years of NASA space exploration

Established in 1958—a year after the Soviet Union launched Sputnik 1—the National Aeronautics and Space Administration has taken humanity into outer space and helped reveal the nature of the universe. Historic moments include the Apollo 11 mission putting humanity on the Moon and construction of the International Space Station.

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).

National Geographic presents how to protect the oceans

What can we do to protect and preserve the world's oceans? Be inspired by spectacular wildlife footage from National Geographic while learning key strategies.

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.

How the NSA has changed through history

The National Security Agency was born in the Cold War and then transformed by 9/11. This article answers all the basic questions you might have about the NSA, from what it does to how much data it collects to some of its useful intercepts.

A private repository of millions of FOIA-requested documents

The Black Vault is one of the largest privately run archives of declassified documents in the world. Explore UFO sightings, doorways on Mars, and more.

Take a deep dive into the constitutional foundations of judicial review

In this episode of "This Constitution," the hosts take a law-focused approach to judicial review—examining its roots in Article III and the supremacy clause, its development through Marbury v. Madison, and the ongoing constitutional debates about whether the court's power strengthens or strains American democracy.

Hear experts discuss how religion has shaped American life

Produced by the National Museum of American Religion, this podcast examines how religion has shaped America and how America has influenced religion—covering topics from the Nation of Islam and rock 'n' roll to the Vietnam Veterans Memorial, with scholars and everyday citizens as guides.

Learn about the history of the Monroe Doctrine

CBS Sunday Morning explores the origins of the Monroe Doctrine, tracing how a 19th-century warning against European intervention shaped US foreign policy and influenced America’s role in the Western Hemisphere for generations.

Modern Marvels examines the Manhattan Project

This episode of the television program 'Modern Marvels' focuses on the Manhattan Project, combining archival footage and interviews with historians and scientists to shed light on one of the most ambitious military and scientific endeavors in human history.

Flip through centuries-old artifacts in this 3D library

Archaeology is hands-on work, giving researchers the ability to analyze artifacts from as many sides as possible to find marks left by those that came before us. While looking at pictures of artifacts gives you some insight, you're limited to...

The Nixon administration tried and failed to stop the press from publishing the Pentagon Papers

In 1971, the Supreme Court ruled against the government's attempt to block The New York Times and The Washington Post from publishing classified documents on the Vietnam War, delivering a landmark victory for press freedom.

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

Classic movies are prone to decomposition because they're captured on nitrate film

Nitrate film was the standard in early Hollywood and is prone to decomposition over time. It's led to an estimated 75% of early American films being lost to history.

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 the most iconic photos from four decades of LIFE magazine

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

20,000 letters to the advice columnist 'Dear Abby' provide insight into prevailing sex, religion, and LGBTQ fears, anxieties, and concerns from the 1950s onward.

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

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.

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

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

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 the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

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

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

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

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

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

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

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

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

Explore what it's like inside a patient isolation unit, used in situations such as treating a patient or suspected patient with Ebola.

Visualize how CRISPR-Cas9—a type of immune system used by single-celled organisms to attack invasive viruses—targets and makes precise changes to a gene's DNA.