A private repository of millions of FOIA-requested documents

Ridiculous documents released via the Freedom of Information Act

In addition to being a massive asset to journalists and eager members of the public, FOIA has also shed light on some of the weirder corners of America’s functioning democracy. Here are 10 choice documents.

UFO sightings taken seriously by the US government

As UFOs make a resurgence in public awareness, take a trip back to the early decades of UFO research. This interactive shows the location and descriptions for some of the most fascinating incidents reported to a secretive Air Force team between 1947...

View an interactive collection of historical documents from the Viking project

This collection includes original mission bulletins, engineering and planning documents, and interview segments from more than 80 Viking team members who made the historic exploration of Mars’ surface by a lander possible.

The Internet Archive is a nonprofit digital library of the Web

Founded in 1996, the Archive promotes open access and the digital preservation of online information and, as of 2026, contains more than 200 petabytes of content, including over one trillion web pages, 56 million books and texts, 13 million audio recordings, 1.3 million software programs, and other digital content.

The mysterious Fort Knox houses much of America’s gold reserves

This fortified vault, built in 1936, is part of the US Mint, but it doesn’t create any currency. Only a presidential order can open Fort Knox—there has not been an audit of its contents since 1953.

A rich archive of the visual imagination of the Cold War era

The blog aggregates art, design, fashion, and technology from the atomic and space age, spanning mid-century American futurism and its Soviet counterpart. The content has a broad range: escape pods from a B-58 bomber sit alongside Tour de France caravan vehicles and unidentified industrial designs.

See how the National Archives protects America's founding documents

This "60 Minutes" segment takes viewers behind the scenes at the National Archives, showcasing how experts use conservation science, security, and technology to preserve cornerstone records—such as the original Declaration of Independence—for future generations.

There are likely millions of small black holes lurking undetected near us in space

Because black holes are so hard to spot directly, astronomers rely on models of galaxy and star evolution to estimate their population. A recent study used simulations and galactic data to show that about 1% of all matter in the universe is locked inside black holes.

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.

The Black Friday Archive collects Black Friday ads from the past 25 years

The archive features advertisements from notable retailers such as Bath & Body Works, Gap, and The Home Depot, among others. These ads span from the years 2000 to 2024, in addition to some from early holiday sales at Macy’s in 1963.

Most of the observable universe's volume consists of voids and supervoids—enormous regions of space with little to no galaxies, stars, or light.

The ‘paranormal activity’ lab at the University of Virginia

Near-death experiences aren’t the only thing they study at Greyson’s Division of Perceptual Studies. The lab approaches a host of “paranormal” phenomena—like past lives and out-of-body experiences—with the same academic rigor as the physics or economics department.

The locksmith who posthumously opened Prince's music vault

When legendary musician Prince died in 2016, he left behind thousands of unreleased songs in a locked vault, and no one knew the combination (even Prince had forgotten it before his death). Safecracker Dave McOmie was called in to break the 6,000-pound Mosler American Century vault by microdrilling into it and using a periscope to view the combination lock.

The Manhattan Project created secret cities that didn’t appear on maps

To maintain secrecy, the US built three remote research facilities and entire “secret cities” to house thousands of workers and families. These communities—home to tens of thousands—were omitted from official maps until after World War II.

Firefly Blue Ghost lands private craft on the moon

On March 2, 2025, Firefly Aerospace landed its Blue Ghost craft on the Moon. The private company then operated the craft for two weeks, conducting surface operations and becoming the first private space company to have a fully successful mission on the Moon. This short video captures pristine, dramatic footage of the mission's successful touchdown.

Enter the Mayan underworld through this 3-mile cave

Discoveries in Belize's Actun Tunichil Muknal (ATM) cave suggest the cave was once a significant site for sacred Mayan ceremonies in antiquity. New research reveals how the Mayans conducted rituals to re-enact a specific creation myth, often staged in desperate times and aimed to invoke the gods for a "rebirth" amid drought and turmoil. Read more on the enigmatic research here.

Visualizing the consequence of data breaches

To get a sense of the grim state of data security today, take a look at this infographic from TruthFinder that explains why 2018 was the year of the data breach tsunami.

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.

Apollo Global Management and Blackstone are among the world's top 20 private credit fund managers

While Blackstone is the world's largest alternative asset manager, Apollo Global Management is a large private equity firm. Apollo had $480B in private credit assets under management as of January 2025.

The deepest human-made hole on Earth is in Russia’s Arctic North

Driven by Cold War competition, the Kola Superdeep borehole was a project in the 1970s to uncover the composition of the Earth by boring underground. The mission managed to go 7.6 miles into Earth’s crust, the deepest human-made hole on Earth.

Trans-Atlantic and intra-American slavery: a visual database

This interactive database provides insight into the trading of enslaved Africans across the Atlantic. This database offers maps, articles, timelapses, videos of 3D slave ship models, and searchable databases on enslavers and the enslaved. According...

A ‘Bored Ape’ NFT was once kidnapped

An art heist in the crypto world plunges listeners of the "Search Engine" podcast into another mystery about why so many celebrities suddenly started selling the public on NFTs in 2021.

Private Facebook groups are acting as an entryway to support groups

Many groups are findable via search but only members can see their content. Others are "secret"—meaning an existing member must invite you to become part of it. But they're all free, remote, and potentially accessible 24/7. (Some users may encounter a paywall.)

Explore a giant ETF database

Given that there are more than 3,000 ETFs trading in the US, the list of options for individual investors may be overwhelming. VettaFi provides a database that allows potential investors to sort funds by sector, region, strategy, fund issuers, and more. It tracks nearly 100 funds focused on general technology but just one that focuses on copper mining.

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

A massive list of wildly specific museums

The definition of a museum varies depending on who you ask and where you find yourself. Need proof? Check out this list of over 80 museums—dedicated to niche interests like hand fans, hovercrafts, and celebrity leftovers (really).

The ‘humongous fungus’ may be the largest organism on Earth at more than 2,300 acres

Discovered in 1988, when it was only covering 400 acres, this massive colony of Armillaria ostoyae, based in Oregon, has taken hold among the tree roots of the Malheur National Forest. It consists of a vast network of unique long black filaments of fungal tissue called rhizomorphs that grow under the soil and infect tree roots, nourishing the fungus but killing the trees. Researchers believe this fungal growth dates back more than 8,000 years and currently weighs approximately 35,000 tons.

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

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

In 1963, a basement renovation in Turkey revealed a passageway to a hidden, multilevel underground city that once housed as many as 20,000 people

Explore the animals that populate the depths of the ocean, from fish and coral in the first few hundred feet, all the way down to the bottom of the Mariana Trench.

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

See 33 images that became central to huge scandals, including a young Charles and Camilla, Michael Jackson's baby on a hotel balcony, and Hugh Grant's mugshot.

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

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.

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.

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

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

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

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.

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.

Read a deep dive on the 'all-purpose healing' peptide BPC-157.

Against his wishes, Albert Einstein's brain was removed before his cremation, and the pathologist responsible stored it for decades in mason jars within a beer cooler.

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

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

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children