1

Raven Rock Mountain Complex

Image: Ilagam

Did you know that in the 1950s, the US government carved out a secret underground city that could survive a nuclear attack? It’s called an "underground Pentagon", and very much like Area 51, it is one of the government's most classified projects.

This military complex and nuclear bunker is located near Blue Ridge Summit, Pennsylvania, 768 feet below the ground. It’s protected by 23.5 ft thick 30-ton doors built on top of springs to survive the shock from a blast. Raven Rock has five buildings with 15 floors big enough to live and work. The base has everything it needs to keep running, like a cafeteria, a barbershop, water generators, and even a medical center.

2

SubTropolis

Image: mwewering

Below Kansas City, Missouri, lies the world's largest underground business complex. SubTropolis is a structure located inside a mine north of the Missouri River. It was carved out of limestone some 135 to 185 feet underground and covers a total of 55 million square feet.

Kansas City Chiefs founder Lamar Hunt built this subterranean city in the 1960s. It has offices, storage space, and even factories. Over 1,600 people work here every day, largely because SubTropolis remains cool all year, making it an ideal location for businesses. Fun fact: some of Hollywood’s most beloved masterpieces are kept here, including the original film reels of Gone with the Wind and The Wizard of Oz.

3

Underground Atlanta

Image: Ronny Sison

Underground Atlanta is a historic spot in downtown Atlanta, Georgia. It was built in the late 1800s, right after the Civil War, as a commercial district centered around the railroad. In the 1920s, viaducts were built and the streets were raised, creating a second level of streets, buildings, and shops.

During Prohibition, the abandoned underground space served as the best spot for speakeasies and juke joints. For decades, people forgot about the hidden city, but in the 1960s, it was brought back to life as a fun place for music bars and nightlife.

4

New York City Subterranean World

Image: Photographer: unknown, Public domain, via Wikimedia Commons

Under America’s most populous city, there's a whole hidden world. For example, beneath Little Italy and the Public Library, there are secret vaults. Beyond the subway millions of people use daily, there is City Hall station, opened in 1904 and closed in 1945. It's a hidden gem with stained glass and mosaics that you can still visit by staying on the 6 train past the last stop.

But that’s not all! There are trading tunnels in SoHo and old cattle tunnels in the Meatpacking District. Also, in 1897, there were mail tubes built around the city to send letters between post offices that operated until the 1950s. Some of these underground spaces go as deep as 800 feet!

5

Permafrost Tunnel Research Facility

Image: Paxson Woelber

A large part of the land in the northern hemisphere is Permafrost, so it makes sense that there is a research facility specially built to study it. The Permafrost Tunnel in Alaska is the best place to learn about frozen soil that's over 40,000 years old.

The long tunnel was dug from 1963 to 1969 to study how to build and mine in frozen environments. Inside the facility, scientists study ice, ancient plants, and even bones from animals like mammoths. The tunnel shows different layers of earth, uncovering frozen ground from different time periods that help scientists anticipate what might happen as the world gets warmer.

6

The Greenbrier Bunker

Image: Alex Holzreiter

The Greenbrier Bunker in White Sulphur Springs, West Virginia, is a secret underground facility beneath a luxury hotel that has hosted numerous US presidents and famous guests. It was built during the Cold War to protect the US Congress in the event of a nuclear attack. The bunker was designed to house all 535 members of Congress and their staff for a long time.

This classified underground facility remained a secret until 1992, when a Washington Post article exposed it. Today, visitors can take tours to see special rooms, blast doors, and decontamination areas.

7

The Caverns

Image: jymy duhomme

Would you attend a concert underground? If you travel to Tennessee is totally possible! The Caverns, formerly known as Bluegrass Underground, is a very cool spot in Grundy County, Tennessee. Lying deep in a cave 333 feet underground, this concert venue with natural acoustics is the perfect place for live music.

People come from all over to hear a variety of performances, especially Bluegrass music. The Caverns can accommodate up to 1,200 people standing up and are equipped with state-of-the-art sound and lights. The cave's cool and quiet atmosphere makes the experience extra special!

8

Crystal City Underground

Image: Gustavo Alejandro Espinosa Reyes

Beneath the neighborhood of Crystal City, near Washington, DC, lies a network of shops, restaurants, and offices. It opened in 1976 and was designed to feel like an old shopping village with cobblestone streets and antique glass windows.

The underground space covers 150,000 square feet and connects several buildings. It's a popular spot for office workers and visitors, especially when the weather is bad. Unfortunately, in 2024, the shops closed, ending their retail era. Yet, the underground walkways and connections to the Metro remain open for pedestrians.

9

Los Angeles Prohibition Tunnels

Image: Alpha Perspective

In the 1920s, during Prohibition, people had to find ingenious ways around the restrictions on selling and consuming alcohol. That's why they built about 11 miles of underground tunnels right under Los Angeles.

Many of these subterranean sites are now closed, but you can still find a few hidden entrances around the city. You can even go on a tour to explore the tunnels and learn about their secret history.

10

Havre Beneath the Streets

Image: Đào Việt Hoàng

After a big fire in 1904 destroyed Havre’s business district in Montana, many shops moved underground. They used the old steam tunnels to stay safe from fires and bad weather. For years, the tunnels were busy with people and stores, such as saloons, drugstores, laundromats, and even a brothel. But today it is completely silent.

Fortunately, you can still visit what is left of this hidden city to see old shops and learn how people stayed safe and worked over 100 years ago. It's like going back in time!

11

Cheyenne Mountain Complex

Image: See page for author, Public domain, via Wikimedia Commons

One of the safest places in the world is right here in America, more specifically in El Paso County, Colorado. Hidden inside a mountain, Cheyenne Mountain Complex was built in the 1960s to protect the US military from nuclear attacks.

The bunker stands under 2,000 feet of solid Granite, making it super strong and safe. It was once the command center for NORAD (North American Aerospace Defense Command). The complex has blast doors that weigh 25 tons each and can withstand a nuclear blast. It also has its own power, water, and food supply. People could survive there for months!

12

Forestiere Underground Gardens

Image: Levi Clancy, CC0, via Wikimedia Commons

A Sicilian immigrant called Baldassare Forestiere spent 40 years digging and building a series of subterranean structures by hand in Fresno, California. Inspired by Roman catacombs and old wine cellars, he created around 65 rooms, tunnels, and courtyards to escape the hot summer sun.

The Gardens have fruit trees, grapevines, fishponds, and even a chapel. Some of the trees are more than 90 years old! Today, Forestiere Underground Gardens is a Historical Landmark you can visit if you want to discover a true underground paradise.

1

Mamie Eisenhower was all in on pink

Image: Jei Lee

Mamie loved pink—she loved it so much that she committed fully to it. Her wardrobe? Pink. Her bathroom? Pink. Her Christmas decorations? You guessed it. The obsession grew so much in the 1950s that people started calling that particular shade "Mamie Pink." Entire kitchens and bathrooms across the country followed suit. Basically, she was the original style influencer!

2

Eleanor Roosevelt had a press corps, but no men were allowed

Image: The Climate Reality Project

If we’re talking about extraordinary First Ladies, Eleanor Roosevelt takes first place. She wasn’t passive at all; she really used her power. For example, she held more than 300 press conferences as First Lady, but only invited female journalists. Why? To ensure women reporters could keep their jobs during the Great Depression. That’s how you use your platform!

3

Edith Wilson quietly took over after her husband’s stroke

Image: Amy Hirschi

When President Woodrow Wilson suffered a stroke in 1919, his wife Edith didn’t just support him—she actually stepped in. She screened his communications, reviewed paperwork, and even made some decisions on his behalf. Some historians say she was essentially running the country. No title. No credit. But she kept things going. What a loyal First Lady!

4

Michelle Obama won a Grammy for reading

Image: 2H Media

Not all Grammys go to singers, you know! Michelle Obama, for example, won one in 2020 for Best Spoken Word Album, narrating her memoir Becoming . It’s just one more thing to add to her impressive list: lawyer, mom, health advocate, style icon—and Grammy winner. Not bad, huh?

5

Dolley Madison saved a piece of American history

Image: Walter Martin

When the British were about to burn Washington in 1814, Dolley Madison didn’t just pack up the silver—she made sure George Washington’s portrait was removed from the wall and carried to safety. That same painting still hangs in the White House today. Remarkably, Dolley hosted elegant tea parties even while preserving national artifacts.

6

Pat Nixon was the first to rock pants in public

Image: BBiDDac

In the early 1970s, it was a big deal when Pat Nixon wore trousers to a public event. Up until that point, First Ladies stuck to dresses. Well, women in general, right? Her choice stirred up headlines, but let’s be real: it was a practical move. Sometimes comfort is the statement.

7

Lou Hoover could speak fluent Chinese

Image: Cherry Lin

Lou Hoover was no ordinary First Lady. She spoke Mandarin Chinese fluently, and she and her husband Herbert used it to have private conversations in public—pretty genius, honestly. She also held a degree in geology and could out-hike most people in D.C. Did you know any of this?

8

Jackie Kennedy smoked a lot in private

Image: Daniele Levis Pelusi

To the public, Jackie Kennedy was a fashion icon: pillbox hats, white gloves, and perfect posture. Behind the scenes, however, she was a heavy smoker. The public didn’t find out until much later. She wasn’t any less of a lady because of this—but you know, they show us whatever they want, right?

9

Melania Trump was a model and a polyglot

Image: Clarissa Watson

Melania Trump brought something completely different to the East Wing. She’s the only First Lady who worked as a professional fashion model and the only one whose first language wasn’t English. She speaks five languages. Say what you want—in whatever language—she’ll probably understand it.

10

Rosalynn Carter sat in on cabinet meetings

Image: Hoàng Ngọc Huy

Rosalynn Carter wasn’t content to just host luncheons—she sat in on Cabinet meetings, the first First Lady to do so since Eleanor Roosevelt. Why? Because she wanted to be fully informed when supporting her husband’s decisions.

11

Barbara Bush once crashed a frat party

Image: Richard Liu

Long before she became America’s grandma, Barbara Bush had a fun, mischievous side. While visiting George at Yale, she once showed up at a frat party in costume—and blended right in. There goes the stereotype that First Ladies are all etiquette and pearls.

1

Your thumb gets a much-needed break

After years of scrolling through everyone's vacation photos, your thumb has basically been doing cardio. Whether you’re relaxing in a place like the Southern Appalachians or the Pacific Northwest, that overworked digit finally gets to rest . Without service, you'll discover it has other talents, such as turning actual pages in a book or striking a match to start an evening fire.

The first day feels weird, like you've forgotten your wallet. By day two, you'll notice your hand isn't automatically reaching for your pocket every five minutes.

2

Mornings without emails are magical

Imagine waking up without that immediate cortisol spike from seeing 47 unread emails. In a no-service cabin, your morning starts with coffee on the porch and actual bird sounds instead of notification pings.

Your boss's "urgent" request about the quarterly report can wait until Monday. Mother Nature doesn't have Wi-Fi, and honestly, she's doing just fine without it.

3

Conversations get interesting again

Without phones to fact-check every debate, dinner conversations become adventures . You'll actually have to remember things or admit you don't know something. Someone will insist that a movie came out in 1987, someone else swears it was '89, and you'll never resolve it.

The beauty is, it doesn't matter. You're too busy laughing and telling stories to care who's right.

4

You sleep as you did in your twenties

Without blue light blasting your eyeballs until midnight, your body remembers how to sleep properly . The mountain air helps too: There's something about that fresh, pine-scented breeze that works better than any sleep app.

You'll wake up actually rested instead of groggy. No 3 a.m. phone checks, no falling down social media rabbit holes when you should be sleeping—just solid, deep, restorative rest.

5

The stars will blow your mind

City lights and phone screens have stolen the night sky from us. Out in the deep wilderness, with zero light pollution and nothing to scroll through, you'll actually look up. The Milky Way isn't just a candy bar; it's a river of stars you can see with your naked eye.

Bring a blanket, lie on your back, and prepare to feel wonderfully small. You might even see a shooting star, and without your phone, you'll actually experience the moment instead of trying to photograph it .

6

Reignite your relationship with your partner

When you can't zone out on your phone, you have to actually talk to each other . Crazy concept, right? You'll remember why you liked this person in the first place. Without digital distractions, you might have conversations that go deeper than "what do you want for dinner?"

Plus, there's something romantic about being genuinely unreachable together. It's just the two of you against the mountains, like you're the last people on Earth.

7

Boredom becomes interesting

Here's something nobody tells you: Boredom is actually good for you . When your brain isn't constantly entertained, it starts wandering into interesting territory. You might finally figure out that problem at work, or remember a dream you had, or just notice how pretty the light looks through the trees.

Kids used to complain they were bored, and their parents said, "Go outside and find something to do." Turns out that advice works for adults, too. You'll be amazed at what you notice when you're not staring at a screen.

8

Real books make a comeback

Without the internet's constant interruptions, you'll rediscover what it's like to lose yourself in a story for hours . No tabs to check, no notifications to dismiss. Just you and the page.

There's something satisfying about the physical act of turning pages that a Kindle just can't match, especially with a wood fire crackling nearby.

9

Board games don't seem lame anymore

Suddenly, that dusty Scrabble set in the cabin's closet looks pretty appealing. When your entertainment options shrink, simple pleasures expand. You'll find yourself actually enjoying a game of cards or Monopoly.

10

You return home as a better version of yourself

After a few days off the grid, you'll notice something strange: you don't immediately need to check everything you missed. The world kept spinning without your constant monitoring, and that's oddly liberating. You might even keep your phone on silent for a while.

That mountain calm sticks with you, at least for a few days. You'll find yourself less anxious, more present , maybe even a little smug about your digital detox.