The Internet Archive is a nonprofit digital library of the Web

Web crawlers and internet archives and back-ups limit perfect erasure of online data

Crawlers are programs that automatically browse the internet for links and index pages for search engines to pull up when page content matches search queries. Networks of global data centers also create copies of content as fail-safes for potential failures to ensure access isn't ever lost.

Virtually all public libraries in the US offer free internet access

Beyond providing internet access, libraries have also expanded into broad digital hubs for communities. Ninety percent offer basic digital literacy training, 76% help patrons navigate online government services, and 73% assist people with job applications.

View the ecosystem of global services, organizations, and agencies behind the internet

Through an open, transparent, and collaborative model built on open standards development and shared global ownership, the internet is kept freely accessible amid evolving international policies. Key organizations, such as IANA, which allocates IP addresses and fulfills administrative functions for the Domain Name System, function as non-profit organizations.

As of 2025, the Wikimedia Foundation funds 14 open-source, free knowledge projects

Since its founding in 2003, the nonprofit has provided financial, legal, and infrastructure support to Wikipedia and its sister projects (e.g., Wikinews), primarily by managing donations, which average $11, from readers. Additional funding comes from gifts exceeding $1,000, the Wikimedia Endowment, and providing Wikipedia content for commercial use.

Explore content on the dark web safely with the Ahmia search engine

Endorsed by the Tor project, the 501(c)(3) research-education nonprofit responsible for the software needed to navigate the dark web, Ahmia allows users to search known onion sites while blocking illegal and harmful content. Through the search engine, activists can learn where to anonymously send files to media outlets.

See the original websites for companies like Google, Facebook, and Apple

Explore archived images of homepages on websites dating all the way back to 1991.

The funding behind Google's origin, including an NSF digital libraries grant

Over $4.5M in funding from the National Science Foundation was allocated to the Stanford Integrated Digital Library Project, which aimed to develop the infrastructure for an accessible universal library of digital information sources. Google cofounders Sergey Brin and Larry Page were working on this project when developing the PageRank search algorithm.

Court documents reveal how Anthropic destroyed millions of books to build its AI models

Anthropic cut the bindings from purchased books and discarded them after scanning to rapidly collect high-quality text at low cost for training Claude. This, despite hiring the former head of partnerships for the Google Books project, which nondestructively scanned millions of books borrowed from libraries before returning them.

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.

'Games That Weren't' preserves lost video game history

Since 1999, this large, online, nonprofit archive has saved the stories of cancelled and unreleased video games. See prototypes, developer history, and assets for various computers and consoles of all ages, including gems like Cartoon Network's "Toon Jam!"

Safely explore historic viruses and other malicious software in the Malware Museum

Curated by the Internet Archive, this collection of more than 80 MS-DOS-era pieces of software can be experienced within an emulated environment to see what it would look like to trigger a virus on computers in the 1980s and 90s. Every piece of malware has a version available for download whose malicious capabilities have been removed.

The Whole Earth Catalog offered readers tools for healthy eating

The publication promised hippies "access to tools"—listings for "high quality or low cost" books, devices, and instructions for alternative living, including cultivating natural and organic foods. This archive comprises high-definition scans of nearly all materials published between 1968 and 2002.

Thingiverse is a massive free library of 3D-printable designs

The site—which was launched in 2008 by 3D-printer manufacturer MakerBot—hosts more than 2 million user-generated design files to build everything from prosthetic hands to replacement dishwasher parts (or the "Golden Snitch" from "Harry Potter). The community behind it rapidly designed and shared files for face shields and ventilator components amid the COVID-19 pandemic.

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).

Web3 is the successor to our current version of the Internet

Web1 (existing roughly from 1990 to 2005) was about decentralized and community-governed open protocols. Most of the value accrued to the edges of the network: users and builders. Web2 (roughly 2005 through 2020) was about siloed, centralized services run by corporations.

Explore internet usage data, including how humans consume 1.2 billion years of content yearly

About half this time consists of content from social media platforms, where the average user spends about 18.5 hours weekly. An estimated $3.66T was spent on consumer goods by online shoppers in 2025, though nonconsumer goods, such as flights and hotel stays, greatly increase this estimate.

Amazon sold its first book on April 3, 1995

Before selling everything on the internet, Amazon started as an online bookstore. The company's first customer was a man named John Wainright, who purchased "Fluid Concepts And Creative Analogies: Computer Models Of The Fundamental Mechanisms Of Thought" by Douglas Hofstadter. There's a building named after Wainwright on Amazon's Seattle campus.

Read the works of Mark Twain

Twain's books are in the public domain, meaning they can be freely distributed. Digital versions of his classic novels—including "The Adventures of Huckleberry Finn," "The Adventures of Tom Sawyer," "A Connecticut Yankee in King Arthur's Court"—as well as many of his short stories and satirical essays can be accessed through Project Gutenberg.

Listen to found cassette tapes from around the world

A growing catalog collects tapes discovered in Barcelona, New York, and other locations, featuring digitized audio for easy listening alongside any accompanying visuals or notes. Some audio fragments include voice memos and mixtapes as well.

Explore 'The Grand Ole Opry' radio archive

"The Grand Ole Opry" changed the course of country music, bringing the music from the mountains and hollers to a nationwide audience through its weekly show. This archive of the radio program offers hundreds of hours of Opry radio programs from several decades of the show's existence.

An encyclopedia of anthropology

This online database offers articles and additional resources for all things anthropology. This free resource is filled with peer-reviewed entries that cover topics ranging from addiction to writing, and offers anthropological insight into more...

A digital archive of the Korean War

The Korean War largely shaped the evolution of the Cold War in Asia. Explore the Wilson Center’s digital collection of primary sources—including essays, profiles, popular documents, and a timeline—to learn about the Korean War. In 1945, the...

The Metropolitan Museum of Art, explained

The Metropolitan Museum of Art, founded in 1870, houses 1.5 million works spanning centuries—from ancient Egyptian artifacts to impressionist masterpieces. Its iconic Fifth Avenue building, designed by architect Richard Morris Hunt, and tranquil Cloisters location reflect its dedication to showcasing global creativity.

All publicly available DNA sequences are available at GenBank

The National Institutes of Health's database stores comprehensive, annotated DNA sequences as part of the International Nucleotide Sequence Database Collaboration. It encourages unrestricted data access within the scientific community while allowing submitters to retain intellectual property rights over their data.

The ACLU was founded in 1920 in direct response to the suppression of speech during World War I

The mass arrest and prosecution of anti-war activists, socialists, and immigrants under the Espionage and Sedition Acts prompted a group of civil libertarians to form the American Civil Liberties Union to defend constitutional rights.

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

A century of Billboard issues documenting the evolution of popular music.

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

The first image of a black hole was captured by creating an Earth-sized virtual observatory from a network of eight radio telescopes.

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

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

English mathematician Ada Lovelace wrote the first computer algorithm a century before computers existed and hypothesized that computing devices would one day be able to compose music—foreseeing the generative AI systems of today.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

Apeirophobia is an overwhelming fear of living forever, perhaps stemming from the brain's inability to conceptualize an infinite life.

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.

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.

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

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.

Radioactive elements can introduce software errors because the ionizing radiation they produce can detach electrons from atoms, and computer code relies on the distribution of electrons.

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

The first line of 'immortal' human cells, which can divide indefinitely and are used in scientific research, was nonconsensually taken from a Black woman.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

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.

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

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.

The animatronic shark from Steven Spielberg's 'Jaws,' the first modern blockbuster, was a complex underwater apparatus called 'Bruce.'

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.

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

An initial public offering or 'IPO' is the process of a private company becoming public by putting shares of the company on the stock market for purchase.