‘Mint marks’ are tiny letters on US coins that correspond to which mint location created them

The Mint’s first circulating coins were 11,178 copper cents

Congress authorized the first national mint in Philadelphia. The next year, the Mint delivered its first circulating coins, which were bigger than today’s quarters. This article shows more early US currency.

The 6 US Mint locations across the country work together to create America’s coins and more

While the US Mint at Denver makes circulating and collectible coins, the US Bullion Depository at Fort Knox stores much of the country's gold. Other locations include the San Francisco Mint, the Philadelphia Mint, the headquarters of the US Mint in Washington, DC, and the West Point Mint.

Before the US Mint, people made currency in private mints

Around the year 1652, New England coinage was created at private mints. Historically, private mints were often located in places where governments did not meet the demand for currency. This article dives into the history of private mints, including the ones people can still visit today.

The story of the ‘forgotten’ US Mints

Some US Mint branches that are now inactive were established during gold rushes during times of great demand. These include mints in Dahlonega, Georgia, Charlotte, North Carolina, and Carson City, Nevada. This video dives into their respective stories.

Some coin denominations have ridges on their sides in part to prevent counterfeiting

You may have noticed that dimes and quarters feature small ridges on their sides that other coins, like pennies and nickels, don't have. This video can help you learn more about why the practice, called "reeding," was first started—and why it's still used today.

A live bald eagle named Peter once lived at the original Philadelphia Mint

During the day, he flew around the city, but at night he slept soundly in the first-ever US Mint building. Although he died at some point in the early to mid-1800s, mint artists still study him today when designing new eagle imagery for coins. Luckily, that’s not too difficult, given that mint employees pitched in to stuff him at the time of his death.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

The designs on US coins have changed a lot over the years

From states producing and issuing their own coins after the Revolutionary War, to collectors’ coins in modern times, US coins have had many design changes throughout history. You can learn about the different variations, plus what design elements are added to all US coins today, in an article.

The US Mint created a video to show kids how coins are made

The video, made simple for children (or anyone who wants an easy-to-understand 101 video about the process coins go through to get in your wallet), outlines the entire process that a coin goes through in its lifetime, from Congress voting on new coins, to how coins are stamped, to their journey to a Reserve Bank.

The US Mint was among the first federal agencies to hire women

In 1795, the US Mint hired two women, named Sarah Waldrake and Rachael Summers, as adjusters. At the time, adjusters weighed blank coins and “adjusted” those weighing too much by filing them down.

Every printed bill has its own unique serial number

In the US, each bill also has its own plate number, series year, Treasury seal, and more. Each design helps track money and combat counterfeiting.

The platinum coin, explained by the creator of the idea

An obscure US Mint law permitting it to create platinum coins of any amount surfaced as a possible means of quickly paying down the national debt. Here's an explanation from the creator of the idea.

The first US stock exchange dates back to the 1790s in Philadelphia

Only two years after that stock exchange in Philadelphia started, the largest stock exchange in the US to date was created: the New York Stock Exchange.

NFTs can be minted using an online marketplace or directly on the blockchain

Minting, or creating, an NFT is how NFTs are added to the blockchain. The process can be simplified by using a popular marketplace.

The Eye of Providence on $1 bills is a lightning rod for conspiracy theorists

The symbol is associated with the Freemasons, one of the world’s oldest secret societies. It also appears on churches, Masonic buildings, and the great seal of the United States.

Philadelphia's Cornbread claims to be the first modern graffiti artist

Darryl McCray began writing his nickname, "Cornbread," across his hometown of Philadelphia in the 1960s. That style was a way of posting a personalized signature across neighborhoods and would become known as "tagging." In time, that style spread to New York, where it took off among other young people.

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

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.

Anticipating moon tourism by 2000, Pan Am issued 'First Moon Flights' club cards

More than 93,000 cards were issued between 1968 and 1971, creating a waitlist that began when Gerhard Pistor, an Austrian journalist, visited a Viennese travel agency to request a flight to the moon. The cards were issued at no cost and numbered in the order they were issued.

Learn what different trademark symbols mean

In the US, brands can technically use a trademark without actually filing a trademark with the United States Patent and Trademark Office—which is where the ™ symbol comes from. However, brands that have officially filed trademarks can use the ® symbol in their branding.

See checks signed by US presidents

One bank has made it a point to conserve checks from US presidents. Peruse this gallery of signed checks from Washington, FDR, JFK, Lincoln, and more.

A virtual tour of Philadelphia’s American Revolution Museum

Philadelphia’s Old City hosts one of the largest museums on the American Revolution. This virtual tour allows you to view the museum’s exhibits as if you were there by zooming in on descriptions, browsing images, and learning about artifacts, portraits, and more.

Years of handling, copying, and light exposure have caused heavy deterioration of the original Declaration of Independence

Handwritten in gallnut ink and signed in August 1776, the Declaration endured rough handling, repeated copy attempts, and decades of exposure to air and light—leaving it heavily faded and even marked by a mysterious handprint that appeared in the early 20th century.

Mark Twain had many gripes with the US Postal Service

Twain often complained about the cost of postage and the service's inefficiencies, often sharing these criticisms in newspaper opinion pieces. Still, in 1907, the USPS issued a commemorative stamp featuring his face.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

The standard measurement for precious metals comes from a small town in France

The troy ounce is the standard measurement for precious metals like gold and silver and it’s heavier than a standard ounce. The term “troy” is widely believed to come from the town of Troyes in France, which was a popular trading hub for merchants all across Europe in the Middle Ages.

A history of manicules, or the little hands in books and posters

Manicules are illustrated hands used in many contexts to point something out, whether by medieval readers to highlight passages or in 19th-century advertising. The hands have a quirky, persistent history, showing up over hundreds of years in everything from Petrarch's books to computer cursors and the US Postal Service's "Return to Sender" stamp.

One odd Macy’s location is basically a museum

Here’s a list of things you wouldn’t expect to see at your average Macy’s store: a 19th-century French painting, a former midcentury children’s barbershop, nautical portholes, and the list goes on. Shoppers can find all those things and more in one unique Macy’s store in Pasadena, California.

Washington systematically introduced and popularized mule breeding in the United States

Known as "the father of the American Mule," Washington imported a prized Spanish donkey and bred it with a female horse at Mount Vernon. He promoted mules as stronger, more efficient farm animals, helping spread their use across the South and transforming American agriculture.

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

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

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

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

The Beatles' US label rejected the band's first two singles, 'Please Please Me' and 'From Me to You,' with one executive calling the band 'dead in the water.'

While atoms are normally made of protons, neutrons, and electrons, exotic ones have been built with antimatter—alternate versions of normal matter that live for fractions of a second and are about a billion times as rare.

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

Tattoos remain visible on your skin thanks to immune cells called macrophages

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.

Lesser-known phobias include turophobia, or the fear of cheese, and nomophobia, the fear of being without your cell phone.

The hormonal disorder PCOS was renamed PMOS in 2026, a move designed to improve care and research by shifting the focus to the hormonal causes of this condition that affects 1 in 8 women.

Mid-century modern graphic designers, known for their bright colors and bold lines in advertising, also found success with children's books.

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.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

The term 'algorithm' originated from the Latinized name of al-Khwārizmī, a 9th-century mathematician whose works introduced Arabic numerals and the decimal-based numeral system to Europe and whose treatise 'Al-Jabr' gave algebra its name.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

Ebola species have historically been named after where they were discovered, stigmatizing residents who live there, including Bundibugyo, in Uganda.