The US once had a $100K bill

Madison's portrait was on the now-defunct $5,000 bill

James Madison appeared on the $5,000 bill, a high-denomination note used primarily for bank-to-bank transactions that was discontinued in 1969 as electronic payments reduced the need for large paper currency. (The rare note is still legal tender, though it is often worth much more than its face value to collectors.)

Hamilton has appeared on US paper currency since the Civil War

Since the US began printing money in 1861, Alexander Hamilton has appeared at different times on the $5, $2, $20, $50, $500, and $1000 bills. Since 1928, he has remained on the $10 bill—making him, alongside Benjamin Franklin, one of the two non-presidents currently on US currency.

The US has used a wide variety of different currencies between the 1690s and today

From colonial money to national banknotes, people have used all kinds of forms of currency throughout the history of the United States before settling on the dollar bills and quarters that we pay for things with today.

During the Civil War, the US government printed paper money for the first time

Those original paper bills were called “greenbacks” or “demand notes.” Since then, paper money has evolved with different designs, names, and values. Today, it is solely issued by the Bureau of Engraving & Printing.

The United States had a washing machine that cleaned dirty dollar bills

In the early 1900s, the US Treasury Department had a machine that washed and ironed old, soiled paper bills. The machine helped the Treasury save money by decreasing printing costs for new dollar bills, but had nothing to do with the modern understanding of money laundering.

Dive into the fascinating journey of a Federal Reserve note

Ever wondered how long an individual dollar bill lasts? After cash is designed and produced, money circulates in the economy, with $100 bills staying in use for the longest on average—roughly 15 years—and the $10 lasting just less than five.

America's most misunderstood dollar

The $2 bill isn't rare; it's just hiding. First printed in 1862, stopped in 1966, and revived in 1976, there are still 1.6 billion in circulation. People just don't spend them.

Each design detail on the US $1 bill has significance

The eye in the triangle floating above the pyramid, for instance, is “the Eye of Providence watching over and ensuring the endurance of the structure of the American government.” This article details every design choice’s significance on the dollar—and a few conspiracies around these choices as well.

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.

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.

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 mysterious man named Emmerich Juettner once produced thousands of counterfeit $1 bills

After his wife died in 1937, Juettner fell into financial trouble and soon began replicating $1 bills. These bills aren’t typically prime targets for counterfeiting given their low value.

A ‘supernote,’ or nearly-perfect counterfeit $100 bill, was recently found in South Korea

These “supernotes” have even fooled US government officials. North Korea is widely believed to be behind the creation of these counterfeit banknotes.

Today, in the US, people can face years in prison for counterfeiting money

There are both federal and state laws that punish people who use or create counterfeit money. The crime can not only trigger hefty fines, but could also lead to decades behind bars.

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

President Trump ordered an end to US production of the penny in 2025

The US will stop producing pennies after more than 233 years in 2026, though they will still be considered legal tender. It takes roughly three cents to produce a single penny, with an annual price tag of nearly $100M.

What a $100K salary is worth in different US cities

While hitting the six-figure salary mark has long been seen as an indicator of career success, earning $100K per year doesn’t feel the same in every US city. This article details just how much that salary is worth in different places around the United States, from Memphis, Tennessee to New York City. Find out more here.

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

Andrew Jackson was the first and only president to eliminate the national debt

After Jackson slashed spending and began selling federal land, the government was accumulating more money than it was spending. The situation was unprecedented, but it didn’t last. Too much money was being printed and land prices rose to unsustainable levels. Within a year, the economy tumbled into a depression.

The trillion-dollar coin is a proposed platinum coin with a face value of $1T, which could be used to reduce the national debt

This conceptual strategy was first proposed in 2011 as a potential alternative to raising the US debt ceiling. Although there were several high-profile proponents of the idea, it was eventually rejected in 2013 by Treasury Department and Federal Reserve officials.

The US president who had the most children

John Tyler, America’s 10th president, was born in 1790, yet still has one living grandchild. This bizarre phenomenon can be explained by his 15 children, which he had throughout all stages of his adult life. Tyler had eight children with one wife and seven with another, leading him to hold the title as the US president with the most children. Tyler was also the first US president to get married while in office.

The Bill of Rights originally proposed 12 amendments, not 10

Congress proposed 12 amendments in 1789, not 10. Of the two amendments not ratified, the one on congressional pay raises remained dormant for 203 years before finally becoming the 27th Amendment in 1992.

Before the current East Wing ballroom project, only two White House renovations in the past 100 years cost more than $10M.

Members of the United States Congress earn $174,000 annually

Members of the United States Congress have received the same pay since 2009. Leadership roles are more lucrative, and lawmakers become eligible for a federal pension after five years, with benefits tied to the length of service and salary.

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

The largest university endowments in the US

This US News article ranks the 20 universities with the largest endowments in the United States, based on data from the 2022 fiscal year. Harvard tops the list at more than $50B, followed by Yale, Stanford, and Princeton. Check out this snapshot of how these financial resources support academic programs, research, and student aid.

Most White House renovations have cost no more than $10M

The storied residence of the US president has undergone many overhauls in its day, from rooftop fixes to bowling alley and pool installations. The majority of the renovation projects came in under $10M. President Trump's 2025 expansion of the West Wing, primarily funded by private donations, will cost more than $200M.

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.

The insane growth of America's millionaire class

The average net worth for an American household is now $1M, according to 2024 data from the Federal Reserve. How did being a millionaire—a word that was once a status symbol—become the norm? This article answers that question and more, such as what the average millionaire's assets look like in detail. Read the article here.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

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 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

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

Despite being favored by 87% of Americans, Congress does not have term limits.

View the ten deadliest tornadoes in US history.

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 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.

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

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

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

Sears sold DIY house kits starting at $600 in its famous catalog from 1908 through the 1940s, resulting in roughly 10,000 'Sears and Roebuck houses' being built.

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.

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

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.

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

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

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

Ebola is a filovirus, meaning it resembles a thread under a microscope, though it sometimes twists and can resemble a bowl of spaghetti.