General General 4 min read

Wave them with pride

Honoring the states: learn about the history of 10 state flags

Image: Tina Chelidze

From the 13 colonies to the consolidation of the 50 states, America’s journey of growth and unity is remarkable. Each state is unique, with distinctive features, mottos, and, of course, flags. Each flag tells a story and honors the rich history and heritage of the state it represents. Among the 50 state flags, we’ve chosen 10 state flags to learn about their design, elements, and the history they represent.

1
New York

Image: Clker-Free-Vector-Images

New York was one of the 13 original colonies and is one of the most populated states today. Its flag, with a vibrant blue in the background, features a sun symbol, one supporter on each side, and the state’s inspiring motto "Excelsior," meaning "ever upward."

The scene in the coat of arms paints a picture of the Hudson River flanked by Liberty on the left, and Justice on the right. Topping it all off is a bald eagle, always majestic, perched atop the world. Powerful, isn’t it?

2
California

Image: Clker-Free-Vector-Images

California was the 31st state to be admitted to the Union (1850) and the history behind its flag has elements present in previous models of banners used by what we know today as Mexico.

This flag was first hoisted in 1846 after American settlers in the territory fought for its independence. Finally, it was recognized as official in 1911.

The flag depicts a grizzly bear —also the official state animal— and a lone red star symbolizing previous attempts to gain independence.

3
Indiana

Image: Clker-Free-Vector-Images

Indiana’s flag was designed by Paul Hadley and approved as the state flag in 1917 after the Daughters of the American Revolution held a flag design contest.

Over the dark blue flag stands a golden torch surrounded by 19 stars . The 13 stars on the outer circle represent the 13 original colonies, while the five stars in the inner circle were added to symbolize the next five states that joined the union, Indiana being the 19th.

The torch? You guessed it right, it represents liberty and enlightenment.

4
Louisiana

Image: Clker-Free-Vector-Images

Blue background abounds among the official state flags and it’s no surprise since it’s one of the national colors. Louisiana’s flag is not the exception.

This flag is the only one to depict a pelican nurturing its offspring in a nest. What is curious about it is that the pelican, an animal that symbolizes devotion to progeny, is crying tears of blood, which represents sacrifice. Underneath, belted in a white ribbon, the state’s motto: "Union, Justice, and Confidence".

5
New Jersey

Image: Clker-Free-Vector-Images

New Jersey’s flag is the only state flag to have a buff background , although it is wrongly depicted as yellow most times. This background color represents the uniform worn by soldiers from New Jersey’s regiments in the Revolutionary War.

In the center of the flag, there is a coat of arms supported by Liberty and the goddess Ceres, representing agriculture. Above the coat of arms, a horse’s head that stands for strength, and, below it, a helmet that symbolizes sovereignty.

6
Arkansas

Image: Clker-Free-Vector-Images

Arkansas’s flag depicts a complex symbolism using well-known elements: a diamond shape, with 25 stars on the outer part, the state’s name in the middle, one star above, and three stars below.

Arkansas was the 25th state to join the union, hence the stars around the diamond. The star over the word "Arkansas" represents the Confederacy to which it was admitted in 1861. The three stars below represent different things: the nations Arkansas belonged to, the Louisiana Purchase, and the fact that it was the third state formed after such purchase. A simple design, yet a complex meaning, don’t you think?

7
Colorado

Image: Clker-Free-Vector-Images

Colorado’s flag is quite simple in its design, although it represents many state elements . For example, the name, a Spanish word that means "red", is symbolized by the red C in the middle. But that’s not all, the letter C also means "columbine" the state flower, represented by the colors blue, yellow, and white. These two last colors also stand for the gold and silver present in the area.

Last, but not least, the letter C stands for "Centennial State" as Colorado became a state in 1876, when the nation was celebrating a century of its independence.

8
Washington

Image: Clker-Free-Vector-Images

Washington is the only state to have a flag with a green background. At the same time, it is the only one to depict a real person . George Washington’s picture is surrounded by a golden ring that reads "The Seal of the State of Washington 1889," the year in which the territory became a state.

The background color refers to the "Evergreen State" while the golden ring represents the wheat areas of the Eastern part of the state.

9
Wyoming

Image: Clker-Free-Vector-Images

This flag was also chosen during a flag design competition held in 1916. It consists of a dark blue background bordered by white and red and, in the center, the silhouette of a bison with the state seal that reads "Great Seal of the State of Wyoming."

Within the seal, the state motto "Equal rights," since Wyoming was the first state to grant women the right to vote. Below the ribbon, a farmer and a cowboy, the main occupations in the state, and two pillars that read "Livestock, mines, grain, oil." And that’s not all, at the bottom, a bald eagle and a star with the number 44, the order of admission to the union.

10
New Mexico

Image: Clker-Free-Vector-Images

Let’s finish this list with what may be the simplest flag of all the 50 states: New Mexico’s. With colors that symbolize the Spanish ruling over the territory, this state flag was adopted in 1925 and it consists of a yellow background with the Zia sun in the center.

The Zia sun is an ancient interpretation of the sun and its design consists of four rays, a sacred number of the Zia. Beautiful, isn’t it?

Geography Geography 6 min read

Sub-America

Did you know there are hidden underground cities in the US?

Image: Harrison Haines

Some cities are so top secret they can’t even be found on a map. Subterranean cities have existed throughout human history, and in the United States, we have a few amazing examples. Some are bunkers built during the Cold War to survive nuclear attacks, others were born as ingenious alternatives to escape extreme weather conditions. Whether they are hidden inside a mountain or buried deep underground, here are 12 subterranean places in America that are hidden in plain sight.

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.

General General 3 min read

Say cheese!

Did you know your phone's camera can do this?

Image: César Guadarrama Cantú

Each year, our smartphones’ cameras improve, with superior lenses and new features that allow savvy users to take incredible photos. Many of those same capabilities are already available on your device. How many of these tricks do you know?

1
Clean your lens

Image: Mika Baumeister

We’ll start with probably the most essential—and somehow most overlooked—tip: take a moment to clean your smartphone’s camera lens. Over time, it can accumulate dust and smudges, which can result in hazy or blurry photos.

Give it a quick wipe with a soft, lint-free cloth . It can make a significant difference in the clarity of your shots.

2
Investigate your camera app

Image: Brett Jordan

Almost every single smartphone comes with a default camera app that’s user-friendly and packed with features. Take some time to explore it , learn how to switch between photo and video modes, and familiarize yourself with settings like Portrait Mode, Night Mode for low-light shots, and Panorama Mode for landscapes.

3
Use gridlines

Image: Jonathan Kemper

Gridlines allow you to center your focal points and enhance the visual appeal of your photos. Most mobile camera apps let you turn them on easily. These gridlines strategically divide your screen into thirds , both horizontally and vertically, adding balance and symmetry to your shot .

4
Focus and exposure control

Image: François Genon

Focus and exposure are two of the most important settings you can adjust in a manual camera to achieve different effects in photography. Fortunately, both functions are available on most modern smartphones.

By playing with different focus and exposure points, you can highlight a specific subject against a blurred background or ensure a well-balanced shot in difficult lighting conditions.

5
Lighting

Image: Ben White

Always try shooting in natural light, often referred to as available light, whenever the opportunity arises. Natural light gives a gentle, even illumination that can significantly enhance the quality of your photos.

Avoid harsh, direct sunlight, which can create intense and unflattering shadows, potentially leading to overexposed or underexposed areas. If you're shooting in low light, rest your phone on a flat surface to stabilize it for long exposures.

6
Play with composition

Image: Eaters Collective

Experiment with different angles and perspectives to enhance your subject. Don't be afraid to get low or high for a unique viewpoint. Also, pay attention to what’s in the background and eliminate any distractions that might detract from your subject.

7
Take pictures often

Image: Ferdinand Stöhr

Practice makes perfect. Since your phone is always with you, it’s easy to integrate photography into your daily routine. Whether you snap a selfie or take a few shots on your way to work, there’s no wrong way to be a smartphone photographer. Great photos often come from everyday life.

8
Take many shots

Image: The Free Birds

Long gone are the days when you had only 36 exposures in your camera and had to choose each shot carefully. One of the best things about smartphones is that you can take as many photos as you want, and there is no need to print them to see the results . This makes it much easier to learn and improve as you go.

9
Avoid digital zoom

Image: Redd Francisco

Digital zoom generally produces poor-quality images, even on the best smartphones. Avoiding it is one of the basic photography tips for taking better photos. Instead of using a digital zoom, simply move closer to your subject to maintain image quality.

10
Use HDR

Image: Kote Puerto

HDR stands for High Dynamic Range, and it’s a common feature on many smartphones. It enhances detail in both dark and light areas to provide a more balanced exposure . HDR prevents the sky from becoming too bright or the ground from appearing too dark, making it especially useful for landscape photography.

11
Set a high resolution

Image: TheRegisti

Simply put, the higher the resolution of your photo, the better quality it is . When taking pictures, try to get as close to the subject as possible, rather than zooming in. Take advantage of the higher pixel count.

12
Aspect ratio

Image: Alice Donovan Rouse

The aspect ratio determines the width and height of your photograph . The standard 4:3 ratio is versatile, but you can also choose widescreen 16:9 for a cinematic look or square 1:1 for Instagram-ready shots.

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