1

The $2 bill is real and still legal

Image: Alicia Razuri

Yep, that mysterious $2 bill featuring Thomas Jefferson isn’t a collector’s fantasy. It’s still produced today (though rarely), and the reverse shows the Signing of the Declaration of Independence. People tend to save them, thinking they’re rare, but you can spend them just like any other bill.

2

The penny used to be made of pure copper

Image: Adam Nir

During WWII, copper was needed for ammo, so in 1943, pennies were made from steel and coated in zinc. They looked silver and rusted easily, some even stuck to magnets! Today, most pennies are actually 97.5% zinc with just a thin copper coating.

3

George Washington didn’t appear on the first $1 bill.

Image: Jonathan Borba

The very first $1 bill (from 1862) featured Salmon P. Chase, the Secretary of the Treasury at the time. Washington didn't show up until 1869, and Chase had a not-so-humble role in placing his own face there.

4

There’s a tiny owl hidden on the $1 bill

Image: rc.xyz NFT gallery

Take a magnifying glass to the upper-right corner of the "1" on a dollar bill. Some people swear there’s a tiny owl or spider hidden in the pattern, said to symbolize wisdom or surveillance. Officially, it's just part of the ornate design, but still a fun little mystery!

5

The $100,000 bill actually existed

Image: Dmytro Glazunov

No, you can’t use it at Target. Printed in 1934 and featuring Woodrow Wilson, this gold certificate was used only for transactions between Federal Reserve Banks. It was never meant for public use, and owning one today is illegal!

6

Lincoln faces the other way for a reason

Image: JustStartInvesting

On most bills, presidents face to the right. But on the penny, Lincoln faces left. One theory is that the designer used a portrait that happened to face left, but it also makes Lincoln the only president looking "inward" when coins are lined up in value order.

7

"In God We Trust" wasn’t always on our money

Image: Jonathan Borba

That phrase didn’t become mandatory on U.S. currency until 1955 during the Cold War. It first appeared on coins in 1864, but the push to include it everywhere came as a nod to America’s spiritual identity in contrast to atheistic communism.

8

Coins last way longer than bills

Image: Barry A

Your average dollar bill survives about 6.6 years in circulation. Coins? They can keep going for 30 years or more! That’s why coins are still a budget-friendly way for the government to make money — and we mean that literally!

9

The buildings on the back aren’t random

Image: Ryan Quintal

Each bill’s reverse side typically features a building related to the person on the front. For instance, the Lincoln Memorial is on the back of the $5 bill (with Lincoln on the front), and the White House appears behind Andrew Jackson on the $20 bill. The choice of course had to do with government history itself! Which building do you think is missing?

10

There are secret codes on every bill

Image: Andrew Dawes

Look closely and you’ll spot tiny letters and numbers that identify which printing plate was used and where the bill was made. Ever see a tiny "F6" on a $1? That means it was printed in Atlanta, Georgia.

11

A dollar is technically made of cloth

Image: Live Richer

Despite calling it "paper money," U.S. bills are actually made of 75% cotton and 25% linen. That’s why they feel so distinct, and don’t shred like regular paper when they get wet (though they still don’t love laundry day).

1

Robert De Niro vs Mickey Rourke

Image: Vitruvian Badr

At first glance, it was the typical 1980s film set. But when Robert De Niro and Mickey Rourke worked together in Angel Heart , their differences in style weren’t just noticeable; they were combustible. De Niro, famous for disappearing into his roles with a strict Method approach, didn’t always mesh well with Rourke’s more unpredictable, improvisational take.

According to lore, all hell broke loose when Rourke decided to ignore De Niro’s suggestions for a scene. What was supposed to be a straightforward shoot turned into multiple takes, frustrating not just the two stars but the entire crew. The altercation quickly became Hollywood gossip, with insiders saying it was a classic case of two strong personalities refusing to give in.

2

David Letterman vs Jay Leno

Image: John-Mark Smith

Who deserved the late-night crown , Letterman or Leno? For years, Americans were unable to settle the debate. On screen, both comedians exchanged polite words and even jokes, but behind the curtain, the situation was a little more complicated.

Reporters loved to stir the pot, writing headline after headline about which funnyman truly deserved the throne. Viewers, meanwhile, treated it almost like a sporting match, tuning in to see who would come out on top. In truth, much of the "feud" was blown out of proportion, yet the friendly jabs and constant comparisons managed to keep audiences entertained.

3

Dean Martin vs Jerry Lewis

Image: anncapictures

On stage, there were only gags, music, and applause. But behind the scenes, Dean Martin and Jerry Lewis were falling apart. Martin often felt stuck playing the calm, serious foil while Lewis stole all the laughs with his wild, over-the-top routines.

Over time, that imbalance created real tension. After starring in 16 hit films together, the famous duo finally called it quits. Their split was so final that they didn’t exchange a word for two full decades. Fans were stunned when they eventually patched things up later in life, a reminder that even the biggest comedy legends aren’t immune to bruised egos and long silences.

4

Olivia de Havilland vs Joan Fontaine

Image: cottonbro studio

Few family feuds reached the heights of Olivia de Havilland and Joan Fontaine’s legendary rivalry. The sisters were competitive long before the bright lights of Hollywood, each vying for their mother’s attention. Once both became movie stars, the bad blood only grew stronger.

In 1942, the two actresses were even nominated for Academy Awards in the same category. Fontaine ended up winning and later claimed her older sister pulled her hair during the ceremony. That incident became one of Hollywood’s most talked-about snubs. Their quarrel stretched on for decades, marked by jealousy, pride, and the kind of family drama that the public can’t get enough of.

5

Elton John vs Madonna

Image: HubertPhotographer

It may sound like sensational news, but Elton John once declared Madonna’s Bond theme "the worst ever." From that point on, the two megastars exchanged sharp words through the press, with Elton poking fun at her performances and Madonna brushing off the criticism with icy charm.

Reporters loved every jab, turning their spat into tabloid gold. Though they occasionally patched things up, the rivalry lingered. Even music royalty can squabble just like the rest of us!

6

Marilyn Monroe vs Jayne Mansfield

Image: WikiImages

In the 1950s, Hollywood had room for only so many platinum blondes, and Marilyn Monroe was already the reigning queen. When Jayne Mansfield came to light with her hourglass figure and playful charm, the press quickly dubbed her "the next Monroe."

Marilyn, who guarded her image carefully, bristled at the idea of a copycat stealing her thunder. Meanwhile, Mansfield leaned into the comparisons, showing up at events in daring outfits and orchestrating photo ops that guaranteed headlines. The result was a highly public rivalry that fascinated fans, turning every red carpet into a showdown.

7

Johnny Carson vs Joan Rivers

Image: Debby Hudson

One phone call never answered, one friendship lost forever. Joan Rivers owed much of her early success to Johnny Carson, who gave her a career-changing boost as a regular guest on The Tonight Show . For years, she was seen as his comic protégé, someone he personally championed. But when Rivers accepted an offer to host her own late-night program, Carson viewed it as a betrayal.

He cut off contact immediately, refusing to take her calls, and the friendship that once seemed unbreakable collapsed overnight. Fans were stunned to see the bitter end of what had appeared to be a classic mentor-and-student bond. The silence lasted all their lives.

8

Debbie Reynolds vs Gene Kelly

Image: Kazuo ota

When Debbie Reynolds starred in Singin’ in the Rain , she was a 19-year-old performer stepping into a major role for the first time. Gene Kelly, already an established star, demanded flawless performances and wasn’t known for his patience. Reynolds later recalled long hours of grueling rehearsals, where Kelly frequently criticized her every move, reducing her to tears.

Though their discord was rooted more in his high standards than personal dislike, the experience marked a harsh introduction to Hollywood for the young actress. Today, their behind-the-scenes tension is remembered as both a glimpse into Kelly’s tough reputation and a reminder of the enormous pressures that came with working alongside legends.

9

Orson Welles vs William Randolph Hearst

Image: William Warby

When Citizen Kane hit the screens, it wasn’t just a film debut; it was the spark of one of Hollywood’s fiercest battles. William Randolph Hearst, the media tycoon who saw too much of himself in the story, launched an all-out war against Orson Welles.

He tried to bury the film before it could reach audiences, banning ads in his papers and fueling smear campaigns. What began as a clash of egos grew into a cultural showdown, forever linking their names to both scandal and cinematic history.

10

Frank Sinatra vs Marlon Brando

Image: Brett Sayles

If you watch Guys and Dolls today, all you’ll see is glamour. In reality, the shooting was pretty stressful: Sinatra craved efficiency, Brando thrived on slow-burning performance. Brando’s Method acting tested Sinatra’s patience, as Ol’ Blue Eyes favored efficiency and clean, polished takes.

Rumors of heated exchanges and icy silences hit the media, and by the final days of filming, the pair were barely speaking. What should have been a classy production became notorious for its behind-the-scenes tension, adding an extra layer of drama to the musical classic.

11

Bette Davis vs Joan Crawford

Image: Nathan DeFiesta

So iconic was their hatred that it later inspired documentaries and TV series. Davis and Crawford didn’t just feud; they redefined what a Hollywood rivalry is. For decades, the two icons sparred over leading roles, critical acclaim, and public adoration.

Gossip included backhanded insults, stolen lovers, and outright sabotage during productions. When they finally shared the screen in 1962’s What Ever Happened to Baby Jane? , the film’s unsettling tension was magnified by their very real animosity.

12

Chevy Chase vs Bill Murray

Image: Aleks Dorohovich

In the early days of Saturday Night Live , Chevy Chase and Bill Murray were usually at each other’s throats. Chase’s sharp, polished delivery often clashed with Murray’s more offbeat, improvisational style, and the tension spilled offstage.

Reports of heated arguments (and even a near brawl backstage) turned their working relationship into one of the show’s most notorious conflicts. Though both later moved on, their rocky career start stands as a reminder of how fragile chemistry can be in comedy’s spotlight.

1

Migratory frenzy

Image: George Henry Burgess, Public domain, via Wikimedia Commons

The California gold rush triggered one of the largest mass migration waves in US history, with an estimated 300,000 people moving to the West Coast in just a few years . On January 24, 1848, a carpenter called James W. Marshall found gold at a sawmill in Coloma. The news reached the East Coast in August and, in December, President James Knox Polk officially confirmed it to Congress.

As a result, by early 1849, thousands of would-be prospectors —known as the ‘49ers’— started flooding the state every day. In January 1848, San Francisco had 800 residents; by the end of 1850 it had some 25,000 , many of them living in shacks and tents. Although most of the newly arrived were Americans, the gold rush attracted people from other parts of the world like Latin America, Europe, Australia, and Asia. Thanks to this boom, California started to grow fast, building new roads, towns, churches, schools, and hospitals.

2

No place for a lady?

Image: Popular Graphic Arts, Public domain, via Wikimedia Commons

People in the 19th century considered the California goldfields lifestyle a bit too harsh for women, so there is not much testimony of them being involved in gold-digging . Only 700 of the 40,000 people who arrived by ship to the San Francisco Bay in 1849 were women. Some came with their husbands and families, but others were just seeking adventure.

Many of the few women living in California around this time were widows. Men frequently died in mining accidents, disputes, and diseases and the women would be left alone and in need of a job. During the gold rush, women ran profitable businesses like sewing, laundry, food preparation, and boarding houses. Others would be in high demand to work in brothels and saloons, serving drinks to the hundreds of lonely gold diggers.

3

Millionaires overnight

Image: Hans

Well, not exactly overnight, but pretty quickly. Brothers John and Daniel Murphy were two adventurous early California pioneers who got into the history books for having mined about $1.5 million —around $56 million today— worth of gold in a year. Within a very short period of time, they became prosperous men and influential figures in the area.

The town of Murphys —about 140 miles East of San Francisco— is named after them and is considered one of the oldest and most important of all the Gold Rush camps in the Golden State . Nowadays, this charming little town is a must-stop for tourists on their way to the mountains looking to travel back in time.

4

Blue Jeans become popular

Image: SwellMap, Public domain, via Wikimedia Commons

In 1853 a Jewish peddler called Levi Strauss arrived in California looking for sale opportunities derived from the Gold Rush. Does the name ring a bell? A couple of years later, with the help of a tailor called Jacob Davis, he invented the garment of choice for Forty-Niners and cowboys: the blue jeans . By the end of 1873, thousands of San Franciscans were wearing these iconic durable pants, and the name "Levi's" was registered as a trademark.

Although Levi Strauss didn't exactly get rich by mining gold, he found a way to earn a fortune from it. Blue jeans —originally called "waist-high overalls"— came to represent the untamed American West. Over the years, not only workers would adopt them: kids, women, and even Hollywood stars owned at least a pair. And now, over a century and a half later, blue jeans are still an international symbol of youth, freedom, and independence .

5

The first international financial crisis

Image: Zlaťáky.cz

In just a few years, the 1849-1855 Gold Rush radically transformed California, the United States, and the world. The influx of gold served as an accelerant for U.S. economic development and enabled massive investment in public buildings, schools, and the construction of a railroad across the country. However, by the mid-1850s the world economy was so interconnected that any event could cause an international crisis.

In 1857, a crash in British banks, the speculation on railroad stock, and the sinking of SS Central America —a ship transporting a huge amount of gold—, among other incidents, triggered the first international financial crisis, known as the "Panic of 1857" . As a result, the northern domestic economy took a significant hit. However, by 1859, the Panic began to level off, and the economy began to stabilize.

6

Mark Twain struck literary gold

Image: unattributed, Public domain, via Wikimedia Commons

Did you know that one of the greatest American authors became a writer after failing as a gold miner? Samuel Clemens —a.k.a. Mark Twain—, was only one of the thousands of men who moved West during the Gold Rush in hopes of making a fortune . In 1861 he followed his brother Orion all the way to Virginia City, Nevada where he became a miner. Things didn’t go very well so he ended up working for the local newspaper, and started using the pen name by which he is remembered to this day.

Twain moved to San Francisco in 1864 and came in contact with other writers like Bret Harte and Artemus Ward. His experience in the American West inspired several of his works , such as The Celebrated Jumping Frog of Calaveras County (1865) —which brought him national attention— and Roughing It (1872). Although he didn’t become rich finding gold, Twain made a substantial amount of money through his writing.

7

Who really got rich?

Image: Unsplash

As romantic as it may sound, migrating to a new land to find gold and get rich does not necessarily mean instant success. In fact, only a few made their fortune mining gold . For most of the Forty-Niners, arriving in California during the rush was synonymous with disappointment. The lucky minority that found some gold went on expensive trips or wasted their money on poor-quality alcohol and food at the saloons of the American West, becoming broke pretty quickly.

The people who actually managed to amass some wealth during the California Gold Rush were the ones who took advantage of the opportunities surrounding the growth of cities and the financial bubble . For example, entrepreneurial merchants would open businesses to satisfy the demands of the newly arrived prospectors. America’s greatest industrialists, on the other hand, became millionaires by investing in real estate or the new railroads. Besides, in the years following the rush, mining was no longer done by adventurous individuals, but by big companies with new technology.

8

A city built out of ships

Image: G.F. Nesbitt & Co., printer, Public domain, via Wikimedia Commons

In the mid-19th century, a great number of ships arrived in California from all over the world packed with people in search of fortune. At the same time, the gold rush brought rapid growth and San Francisco soon became one of the world's great seaports, dominating shipping in the American West. These gold-seekers didn’t exactly have a return ticket, so lots of boats started to pile up on the Bay .

A few of these approximately 500 abandoned ships were sunk or buried and now can be found beneath the Embarcadero and Financial District . Others were repurposed to serve as storeships, saloons, and hotels, or their debris was used to build houses, jails, and banks. Even today, archeologists continue to discover fragments and entire ships underneath the streets of San Francisco.

9

Death Valley, a winter tragedy

Image: Marina Šurniene

Do you know where the "Death Valley" name comes from? This desert valley in the northern Mojave Desert, in Eastern California, is thought to be the hottest place on Earth. However, it was not named after its summer temps but for a winter disaster. It was a group of prospectors who got lost looking for a shortcut to the goldfields of California in the winter of 1849-1850, that gave Death Valley its grim name.

Even before the Gold Rush, California attracted settlers searching for a new life. In 1846, a group of pioneers known as the Donner Party became snowbound and nearly half of them eventually died of starvation and exposure. A few years later, although scared and forewarned by this experience, a new group ventured across the desert. While this time around the journey was not so deadly, they suffered a few mishaps that led them to nickname the area Death Valley.

10

Found gold? Have yourself a Hangtown Fry!

Image: Ivan Shemereko

According to the legend, this famous omelet cooked with bacon and topped with fried oysters was created in El Dorado Hotel in Hangtown —today’s Placerville— after a prospector claimed to have found gold. To celebrate, he demanded to be served expensive food, so the cook put together a dish with the fanciest ingredients he had at hand: eggs were delicate and therefore very valuable; bacon was shipped from the East Coast; and oysters were brought fresh from San Francisco, over 100 miles away.

Since then, the Hangtown Fry has continued to be served at many of the local restaurants . Although now you can find versions with onions, bell peppers, and spices, this iconic dish has remained practically the same as it was during the Gold Rush more than a century and a half ago. Have you tried it?