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American Goldfinch

If you’ve spotted a drop of sunshine landing on your feeder sometime in the summer, that’s the American Goldfinch. Males turn a vivid yellow each year thanks to a complete molt, usually finished by late May.

They’re found coast-to-coast but are especially common in the northern and central U.S., where they favor open meadows and backyard thistle feeders. Unlike most songbirds, they nest late, often waiting until July when thistle seeds peak. If you see a tiny bird—barely 5 inches long—bouncing through the air in a roller-coaster flight pattern, you’ve found the American Goldfinch.

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Blue Jay

Blue Jays are known for being loud, confident, and colorful. Throughout the eastern half of the U.S., from Florida to Maine, they flash electric-blue wings marked with black "bar codes." Their blue color is actually a light trick: microscopic feather structures scatter wavelengths to create the hue. Another fun fact: back in the 1970s, researchers discovered they can mimic hawks, a clever way to scare other birds away from food.

3

American Robin

Long before digital calendars, people guessed the seasons thanks to this bird. The American Robin’s spring chorus has been recorded in journals as early as the 1800s, marking the end of winter across most of the U.S. They’re widespread, found in all lower 48 states and even in Alaska during summer. Robins stand upright, tugging worms from lawns with that unmistakable rusty-orange chest. Adults measure about 10 inches long, roughly the size of a small paperback book.

4

Ruby-Throated Hummingbird

If you’ve ever seen a green flash zip past your porch faster than a camera shutter, it may have been a Ruby-throated Hummingbird. It is the only hummingbird species that breeds east of the Mississippi. It weighs 0.2 ounces—as little as a nickel!—yet crosses the Gulf of Mexico during migration. Males display an iridescent red throat that lights up when sunlight hits at the perfect angle. A single feeder with a simple sugar solution can lure them in from May through September.

5

Northern Cardinal

Northern Cardinals look like Christmas on wings, and it’s easy to see why. Males glow bright red, while females wear warm browns brushed with hints of red. They live year-round in the eastern and central U.S., especially in woodlots and suburban yards. Cardinals measure about 9 inches long and crack seeds with thick, powerful bills. Their "what-cheer!" call is one of the most recognized bird sounds in North America.

6

Song Sparrow

At first glance, this little brown bird might look like one of many, but listen closely. Song Sparrows have been studied for their remarkable vocal variety; a single male may sing more than 10 distinct song types. They’re common nationwide, from the Atlantic to the Pacific, but differ subtly by region. One reliable ID feature: a bold dark spot in the center of the chest. They’re small—around 6 inches—but their voice carries surprisingly far.

7

Black-Capped Chickadee

A bird the size of a tennis ball—about 0.3 ounces—with the confidence of a much larger creature: that’s the Black-capped Chickadee. They have a surprisingly sophisticated communication system. In fact, biologists discovered that the number of "dee" notes in their call changes depending on the threat level of predators.

Found across the northern U.S. and in the Rockies and Appalachians, they sport crisp black caps and snow-white cheeks. Offer sunflower seeds and they’ll visit you all winter.

8

Northern Mockingbird

What if one bird could perform an entire playlist? Northern Mockingbirds—common throughout the South, Midwest, and many western suburbs— can mimic over 100 sounds, from other birds to squeaky gates. In the 1960s, scientists confirmed their habit of singing at night, especially males guarding territory.

They’re roughly 10 inches long, the size of a stretched-out flashlight. Their slender gray bodies and white wings make them easy to spot when they swoop from fence posts.

9

Baltimore Oriole

The Baltimore Oriole can be described as "a flame carried by wings", since males sport brilliant orange while females show softer yellows.

These bright orange migrants breed across the Northeast and Midwest before wintering in Central America. Their hanging pouch nests—up to 8 inches deep—are woven with fibers like tiny hammocks swaying in the breeze. Orioles love tall shade trees and can hang upside down to sip nectar or jelly.

10

American Crow

Think of crows as neighborhood detectives. Studies show they can recognize human faces and remember them for years. Found in every U.S. state except Hawaii, American Crows are large—about 17 inches long—and solid black from bill to tail. Their aerial circling and communal roosts, sometimes numbering thousands, are especially common in the Midwest. They travel in family groups and announce their presence with a clear "caw!"

11

Black-billed Magpie

If you’ve ever driven through the Rockies or the Great Plains, you’ve likely seen this striking bird swooping low over fields. Black-billed Magpies, common from Nevada to the Dakotas, wear glossy black feathers with a blue-green sheen and long tails that can reach 12 inches—nearly half their total length. Their dome-shaped stick nests can be 3 feet across, and they thrive in open country and ranchlands.

12

Tufted Titmouse

One of the most charming feeder visitors in the eastern U.S., the Tufted Titmouse has a soft gray coat, a tiny crest, and warm orange patches under the wings. Though small—around 6.5 inches—they have a bold, ringing call: peter-peter-peter . Their range has expanded steadily northward, partly thanks to backyard feeders. Another fun fact: titmice store seeds one by one in tree bark, creating "pantries" they revisit all winter.

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1

The original plan included full-body figures

Image: Thomas Shockey

Mount Rushmore was supposed to be even more colossal than it already is. Sculptor Gutzon Borglum envisioned the four presidents carved from the waist up .

He even made plaster models showing Abraham Lincoln's coat folds and Teddy Roosevelt’s hand clutching his lapel. But as costs went up, Congress said: "heads only, please."

2

Charles Rushmore was just a curious New Yorker

Image: Maarten van den Heuvel

Back in 1925, when the mount was about to be carved into a monument, Charles Rushmore wrote a letter explaining why the peak bore his name. He recalled that in the 1880s he was a young New Yorker working in the area, and fell fond of that particular granite peak .

When he asked the locals about it, they informed him that it had no name, but that if he wished so, they would just start calling it Rushmore Peak, or Mount Rushmore, or the likes. Years later, that very name had been inscribed in the public domain to designate the peak.

3

Yes, there’s a hidden room behind Lincoln’s head

Image: Laura Nyhuis

Behind Abraham Lincoln’s hairline lies a hidden chamber, part of Borglum’s lofty idea for a "Hall of Records." This room was meant to house foundational American documents like the Constitution or the Declaration of Independence.

Instead of that, in 1998, a titanium box was placed inside, filled with copies of important documents and biographies, as a time capsule to preserve the treasure of knowledge for future generations.

4

Thomas Jefferson was moved

Image: Dave Baraloto

Jefferson was originally supposed to go to Washington’s right, but after 18 months of chiseling , the granite betrayed them. Cracks and flaws made the site unworkable.

Borglum made the painful decision to blast Jefferson’s half-formed face clean off and start anew on Washington’s left.

5

The mountain was almost a monument to western heroes

Image: Timberly Hawkins

Before presidents took over, the mountain was pitched as a giant tribute to the Wild West . South Dakota historian Doane Robinson wanted to see frontier legends like Lewis & Clark carved into the Black Hills.

But when Borglum came aboard, he had a grander (and more politically bankable) idea: four presidents to symbolize national unity and expansion.

6

A woman’s face was almost added

Image: Tom Fournier

In the 1930s, there was serious talk of honoring Susan B. Anthony alongside the Founding Fathers, as a nod to the women’s suffrage movement.

Borglum wasn’t opposed to the idea, but Congress quickly nixed it, stating that only U.S. presidents could be included.

7

The workers were mostly local miners and loggers

Image: Pixabay

They were neither sculptors nor artists. Most of the workforce came from nearby Keystone, South Dakota: miners, loggers, and hard-up laborers looking for work during the Great Depression.

Borglum trained them himself. There were no safety harnesses, and yet, remarkably, no one died on the job.

8

Dynamite did 90% of the work

Image: Alexander Paramonov

To carve the faces of Washington, Jefferson, Roosevelt, and Lincoln, workers used carefully timed dynamite blasts to remove over 450,000 tons of rock. They got so precise, they could blast within inches of where the final surface would be.

The last details, like wrinkles, pupils, or Roosevelt’s glasses, were done with jackhammers and chisels.

9

The noses are disproportionate

Image: Dudubangbang Travel

Standing in front of the mountain, the faces seem alright. But that’s a trick of perspective. Each presidential nose is a whopping 20 feet long .

If the sculptures had included full bodies as planned, each figure would have stood 465 feet tall. That’s taller than the Statue of Liberty and most downtown skyscrapers.

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Teddy Roosevelt was the most controversial pick

Image: Dudubangbang Travel

Washington, of course. Jefferson, made sense. Lincoln, sure. And Teddy? Some critics raised their eyebrows at Borglum’s fourth choice. Roosevelt had only recently passed away in 1919, and many questioned whether he'd stood the test of time.

But Borglum defended the decision Roosevelt’s role in breaking up monopolies, conserving national parks, and engineering the Panama Canal. Plus, Borglum had met him personally and was a fan.

11

It was supposed to have inscriptions

Image: Dan Pick

Borglum had grander plans than just four giant heads. He wanted to carve a massive inscription next to them, a timeline of America’s most important milestones , chiseled straight into the mountain. In time, the idea was scrapped for practical and aesthetic reasons.

12

The visionary died before completion

Image: Lisa Reichenstein

Gutzon Borglum, the visionary behind it all, didn’t live to see his masterpiece finished. He died in March 1941, just as the construction was reaching its end. His son, Lincoln Borglum (yes, named after that Lincoln), took over the project.

Still, with WWII drawing resources elsewhere, funding was slashed, and Lincoln had to wrap things up quickly . Some features, like Lincoln’s ear, were never fully detailed.

1

$125 million for a Grade-school math error

Image: Aaron Lefler

Imagine losing a hugely expensive spacecraft due to a simple mix-up between English and metric measurements . That is exactly what happened to NASA in 1999 when a Mars orbiter designed by Lockheed Martin was lost in space.

The confusion caused a malfunction on the $125 million craft, resulting in the probe’s loss. Although it was unusual for Lockheed to use English measurements for a NASA design (since NASA had stipulated using metric measurements for many years), there were still several instances where the error should have been caught but wasn’t.

2

Toys ‘R’ Us blunder

Image: Taylor Heery

If you think an action figure of a drug dealer isn’t the best idea for a toy store , you’re not alone. Yet, for some reason, Toys "R" Us decided otherwise in October 2014, possibly hoping to cash in on the massive success of the Breaking Bad TV series.

Unsurprisingly, the giant toy retailer was forced to pull from its shelves four collectible dolls based on characters from the AMC hit show, each doll featuring a detachable sack of cash and a bag of meth.

3

Apple Maps' rocky beginnings

Image: CardMapr.nl

When Apple decided to launch its own map application on iOS devices after a conflict with Google in 2012, users quickly realized that the Apple app was not nearly as launch-ready as it should have been .

Locations were mislabeled, roads were missing, and it occasionally steered people in entirely the wrong direction. The problem was eventually, though largely, resolved, but it was an embarrassing misstep for a company known for never launching a product before it was as near-perfect as possible.

4

Bank of America debit card fee

Image: Ali Mkumbwa

Back in 2011, when the backlash against the banking industry had not yet reached its boiling point, Bank of America announced it would charge customers $5 per month to use their debit cards .

It was a bad business decision. More than 300,000 people signed an online petition, and Fox Business Network’s Gerri Willis cut up her debit card on air. The bank pointed to federal regulations as the reason for the charge but ultimately capitulated to consumer demand after a month before the fees went into effect.

5

$33 airline tickets from Toronto to Cyprus

Image: Miguel Ángel Sanz

If buying a business class ticket regularly priced at $2,558 for just $33 sounds too good to be true, it probably is. Except in 2006, when an Alitalia employee accidentally forgot to input two extra zeros when pricing business-class tickets from Toronto to Cyprus.

Due to the exchange rate on that day and the blunder, hundreds of buyers managed to snag fares for just $33. The airline honored those deals, accepting the heavily discounted price for the 509 people who purchased tickets before the error was detected.

6

A $70 million comma

Image: Nattipat Vesvarute

As the folks at NASA and Alitalia have shown us, small errors can lead to costly mistakes. The following blunder comes courtesy of Lockheed Martin , which issued a contract to a customer with a missing comma in the sale price .

The astute customer held the aerospace company to the contract, costing Lockheed Martin $70 million for a C-130J Hercules aircraft in June 1999.

7

Sears misses the ship

Image: Estefania Cortes

A retail giant that faced a situation similar to the one Kodak faced—embrace the new and unknown or cling to the old, successful recipe—Sears sold everything from socks to tires via mail order, shipping across the U.S.

Choosing to stick with the old method, the company ended its catalog and delivery business in 1993 . In 1994, Amazon was founded , filling the business void that Sears had just created. The rest is history.

8

Passing on Microsoft

Image: Jaime Marrero

$60 million might seem like a lot of money to us regular folks, but for someone with very deep pockets like Texas businessman and two-time U.S. presidential candidate Ross Perot, it wasn’t all that much.

In 1979, he was offered the chance to buy Microsoft for that sum. However, his final offer to the tech company was just $15 million, and as a result, the Texan missed out on the opportunity to own what would become one of the biggest companies in the world .

9

Blackberry sticks with the old

Image: Thai Nguyen

Another case of a brand sticking with the old instead of embracing the new, BlackBerry was all the rage at the start of the 21st century— until Steve Jobs came along with the Apple iPhone .

While BlackBerry Messenger was extremely popular, with over 80 million users worldwide, the device lacked the new touchscreen functionality and sleek design of the Apple product. From being a market leader, BlackBerry’s market share plummeted to 0.2% by 2016.

10

RadioShack’s downfall

Image: Jelleke Vanooteghem

Not so long ago, RadioShack was a familiar presence on the streets and the go-to place for buying batteries and electronics. But it was that same brick-and-mortar presence, coupled with a reluctance to embrace e-commerce , that ultimately led to its demise .

Eventually, poor profit margins on what they could sell, combined with a loan they couldn’t repay, brought down what was once the go-to place for electronics.