1

Decoration Day

Memorial Day was originally called Decoration Day and was first observed on May 30, 1868, as a way to honor Union soldiers who had died in the Civil War. However, the idea behind it actually came from the South. Mary Ann Williams , whose husband died during the conflict, wrote a letter to a newspaper urging women to set aside a day to decorate the graves of fallen soldiers.

2

The end of May

Decoration Day was instituted by the Army’s commander-in-chief, General John A. Logan , and was quickly adopted by most states. There are several theories about why the date was chosen: some say Logan purposely picked a day that was not the anniversary of any Civil War battle, while others believe he chose it because it’s the time of year when most flowers bloom.

3

National Cemeteries

During the American Civil War, the U.S. Congress passed an act to create military burial places for Union soldiers. By the end of that year, 12 national cemeteries had been established. Today, the National Cemetery System maintains 164 military burial sites, the most well-known being Arlington National Cemetery and Gettysburg National Cemetery .

4

Renaming

The term Memorial Day was first recorded in the 1880s and grew increasingly popular after World War II. However, the holiday wasn’t officially renamed until 1968, when the Uniform Monday Holiday Act moved its observance from May 30 to the last Monday in May.

5

A moment for remembrance

The establishment of Memorial Day weekend has been seen by some as a benefit to the travel, sports, and entertainment industries. Veterans’ organizations have urged that the holiday be returned to its original date, arguing that the three-day weekend undermines its intended meaning. In response, Congress passed the National Moment of Remembrance Act , which encourages people to pause at 3:00 p.m. for a moment of silent reflection and remembrance.

6

Poppies

Several English-speaking countries adopted the poppy flower as a symbol of remembrance for fallen soldiers after World War I. This tradition was inspired by the poem In Flanders Fields , written by Canadian military doctor John McCrae , which describes poppies growing among soldiers’ graves. In the United States, the poppy was originally associated with Veterans Day but is now primarily worn during Memorial Day weekend.

7

The flag

The national flag flies at half-staff during periods of mourning. While special instances of mourning can be proclaimed by government authorities, remembrance holidays follow a set protocol. On Memorial Day, the U.S. flag is briskly raised to the top of the staff, then solemnly lowered to half-staff, where it remains until noon. At that time, it is raised again to full staff to honor the nation’s living heroes and those still serving.

8

The Unknown Soldier

One of the focal points of Memorial Day is the Tomb of the Unknown Soldier at Arlington National Cemetery . This symbolic monument was established in 1921 and originally held the remains of an unidentified soldier who died in World War I. Later, unidentified soldiers from World War II and the Korean War were also interred at the site. A permanent military guard stands watch year-round, honoring the sacrifice of all unidentified service members.

9

Memorial Wreaths

Wreaths are a common sight on Memorial Day—but where does the tradition come from? In 1992, Morrill Worcester, owner of a wreath company in Maine, found himself with a surplus of holiday wreaths. Wanting to put them to good use, he donated them to Arlington National Cemetery as a tribute to the fallen—a gesture that soon became an annual tradition. After a photo of the wreath-covered graves went viral in 2005, the nonprofit organization Wreaths Across America was established to help volunteers place wreaths on veterans’ graves across the country.

10

The start of the summer

Even though it is a day of remembrance, Memorial Day weekend also marks the unofficial start of summer . The holiday often coincides with the end of the school year, and the warmer weather encourages families to gather for barbecues and cookouts, attend parades, and visit the graves and memorials of fallen soldiers.

1

Leaving with your bike in the morning and coming back for suppertime

For a few generations of American kids, a bicycle meant freedom. From the 1940s through the 1980s, children often left home after breakfast with little more than a vague instruction: "Be back before dinner."

Neighborhoods were informal safety nets, and kids were free to navigate them without phones or GPS trackers.

2

Foraging fruit from neighbors’ yards

It was a risky gamble: Picking and eating fruit from unknown plants in your neighborhood could result in a yummy treat…or abdominal trouble.

There was a time when kids freely grabbed berries, apples, or other fruit growing along sidewalks or in neighbors’ gardens. Today, property boundaries have grown, and kids are reminded not to forage without permission.

3

Riding public transportation alone

For much of the 20th century, it wasn’t unusual for children as young as 7 to ride buses, subways, or streetcars alone, especially in large cities like New York, Chicago, and Boston.

Kids commuting to school independently was considered a practical life skill. Parents expect children to learn responsibility through real-world experience , handling routes, change, and unexpected delays.

4

Roller coasters had no belts and no headrests

Do you have memories of rickety rollercoasters? You might correctly remember that earlier rides were thrilling in ways that might give modern safety inspectors pause.

Many of the rides made popular in the 50s relied primarily on simple lap bars and operated with minimal restraints. Designers assumed riders would hold on tightly. Safety rules have evolved drastically since then, and now we have over-the-shoulder harnesses and improved lap restraints.

5

Walking miles to a friend’s house alone

Kids routinely walked long distances across neighborhoods or even between towns without adult accompaniment, guided by landmarks and memory. While this independence helped build confidence, it also reflected a different perception of risk.

6

Not ringing the bell: just yelling your friend’s name from outside

Before texting "I’m here" or coordinating playdates through apps, kids often announced their arrival the old-fashioned way: by standing outside and shouting a friend’s name.

Front yards, sidewalks, and porches acted as social hubs where everyone recognized familiar voices. As concerns about privacy, safety, and structured schedules grew with the years, the casual shout-from-the-street culture slowly disappeared.

7

Spending long days at the beach without adults

Surf culture in places like California and Hawaii, as well as East Coast boardwalk towns, normalized groups of kids swimming, riding the waves, and returning home only at sunset.

Public beaches were seen as community environments where lifeguards and familiar locals provided informal oversight . Today, increased safety standards, liability concerns, and changing parenting norms mean most children visit beaches with close adult supervision.

8

Exploring woods alone

Few children who lived near a forest or rural area could resist the pull to explore it, either alone or with friends. Building forts, climbing trees, and learning their way around nature were influenced by scouting movements and postwar ideas about resilience and independence.

Psychologists today even describe this kind of unstructured outdoor play as beneficial for creativity and risk assessment skills. However, modern concerns about safety, traffic, and environmental hazards have reduced opportunities for unsupervised exploration.

9

Staying home alone or being babysat by older siblings

The rise of the "latchkey kid" became especially visible in the United States during the 1970s and 1980s, when increasing numbers of dual-income households, or single-parent homes, meant children returned home from school to empty houses.

Many kids carried house keys, prepared snacks, and entertained themselves until their parents finished work. Today, research on changing childhood independence shows that unsupervised play and autonomy have significantly declined compared to previous generations.

10

Collecting glass bottles for some cents back

Long before recycling bins appeared on every curb, kids learned about value through bottle returns. Soda and milk bottles carried deposits, and children would collect empties from their own homes or even from neighbors to trade for a few coins at local stores.

It was a first taste of earning money independently, although it often funded candy purchases or comic books.

11

Climbing trees or rooftops, unsupervised

When you are a kid, climbing a tree is decidedly an adventure. There was a time when this was considered a universal childhood activity in America, even encouraged as a playful challenge, since mid-century parenting often embraced manageable risk.

But current safety standards and greater awareness of injury risks have dramatically reduced these kinds of unsupervised play environments.

12

Casually hanging out in abandoned buildings

Another tempting area for children happened to be empty lots, half-built structures, and abandoned buildings . It was difficult to keep out curious and brave kids. This pastime is not entirely eradicated today, although it seems to be teenagers or young adults who engage in it.

13

Riding in cars without seatbelts

For decades, families piled into cars without buckling up, simply because seatbelts weren’t standard equipment. Although basic seatbelt designs existed earlier, widespread adoption didn’t begin until the late 1950s and 1960s.

Even then, many Americans resisted using them, seeing belts as unnecessary or uncomfortable . Laws requiring seatbelt use didn’t become common until the 1980s and beyond, meaning generations of kids grew up riding freely in the back seat.

14

Playing in flooded streets after a storm

Children once treated flooded streets like temporary playgrounds. Heavy rain expanded the available activities for a suburban child. They could splash barefoot through puddles or float makeshift boats down rushing gutters.

Over time, public health campaigns highlighted dangers such as contaminated runoff, hidden debris, electrical hazards, and traffic risks. Enough to scare modern parents!

1

National Mall’s hidden tunnel (Washington, DC)

The National Mall landscape in Washington, DC, is so familiar that it’s hard to imagine anything hidden beneath it, but there is more going on below the surface than most visitors realize.

Beneath parts of the Mall, a network of underground tunnels connects buildings like the Smithsonian Institution Building, a.k.a "The Castle", with other Smithsonian facilities, including the National Museum of Natural History. They’re mainly used for utilities, secure staff access, and behind-the-scenes operations that keep the museums running smoothly.

2

Mount Rushmore’s secret chamber (Keystone, SD)

When you look at Mount Rushmore, the first thing you notice is the four faces of George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln, but there’s more than meets the eye. Hidden behind Lincoln’s head is a secret chamber known as the "Hall of Records," a place visitors have rarely ever seen. It was the idea of sculptor Gutzon Borglum, who imagined it as a grand room to hold important US documents and tell our story as a country. Construction began with that goal, but the project was never completed. Today, the chamber remains unfinished, but it's there, waiting to be visited someday.

3

The Las Vegas sign is in another city (technically, Paradise, NV)

Do you have the classic picture in front of the iconic "Welcome to Fabulous Las Vegas" sign? If you snapped it and then drove to another city, we hate to break it to you, but you weren’t in Las Vegas.

The famous sign, installed in 1959, actually sits a couple of miles outside the city limits. In fact, the sign and most of the Strip are technically located in the towns of Paradise and Winchester, unincorporated communities in Clark County, Nevada, not within Las Vegas itself. And that’s no accident: much of the Strip and its casinos were originally developed outside the city in the 1950s to avoid municipal taxes and regulations.

4

Fragments of the Antarctic ice sheets (Denver, CO)

Did you know that the Mile High City stores miles of ice from Greenland and Antarctica? Ok, but how?

At Denver’s National Ice Core Laboratory, part of the Federal Science Center, the ice is kept at around -32.8°F. Researchers study it not just to understand Antarctica itself, but also to inspect Earth’s history. Some of these blocks of ice are hundreds of thousands of years old, and from them, scientists can reconstruct ancient temperatures, track greenhouse gas levels, and even identify major volcanic eruptions preserved in the layers.

5

The hatch at the top of City Hall Tower (Philadelphia, PA)

Counting the statue of William Penn at its summit, the tower of Philadelphia City Hall rises about 548 feet, making it the tallest municipal building in the United States. But hidden high above the street, the statue conceals a little-known secret.

At its base is a small hatch, originally built to give workers access for maintenance. It offers an incredible vantage point over the city, but getting there isn’t easy. To reach it, you have to climb narrow stairways and walk through tight, elevated passageways. Would you dare give it a try?

6

A 112,544 square-foot underground bunker (White Sulphur Springs, WV)

The tense atmosphere and threats of the Cold War led to the construction of thousands of underground bunkers across the US. And one of the most impressive is right beneath the Greenbrier Resort in White Sulphur Springs, West Virginia.

Buried 720 feet into the hillside, this 112,544-square-foot bunker was created to shelter all 535 members of the US Congress in the event of a nuclear attack. Built between 1958 and 1961, it was sealed behind a 25-ton blast door, and it remained a protected secret for more than 30 years.

7

Catacombs underneath City Market (Indianapolis, IN)

In downtown Indianapolis, the City Market has been a gathering place since 1886, filled with local vendors, cafés, and shops. But there’s more to it than what you see above ground. Beneath the market lies a network known as the City Market’s "catacombs."

Despite the name, the reality isn't quite so macabre; they’re a series of brick archways that once supported Tomlinson Hall, a huge market building demolished in the mid-20th century. Today, this underground space remains as a hidden piece of the city’s past, but unlike many places on this list, it’s occasionally open for guided tours.

8

One of history's biggest art heists (Boston, MA)

We all know Boston as the "birthplace of the American Revolution," home to events like the Boston Massacre and the Boston Tea Party. But there’s another chapter of its history you don’t hear about as often.

Just over 30 years ago, Boston was the scene of one of the biggest art heists in history. In the early hours of March 18, 1990, two men disguised as police officers entered the Isabella Stewart Gardner Museum, overpowered the guards, and stole 13 invaluable works of art, including pieces by Vermeer, Degas, Rembrandt, and Manet. To this day, the case remains unsolved, and a multi-million-dollar reward is still offered for information.

9

One of the quietest places on Earth (Minneapolis, MN)

Where do you think the quietest places on Earth are? You might imagine remote landscapes far from civilization, but one of them is actually right in Minneapolis, Minnesota.

Inside Orfield Laboratories, there’s a room with no windows or natural light, an anechoic chamber that absorbs nearly all sound. That’s right: it blocks almost every noise, making the space even quieter than a vacuum. Visitors say the silence is so intense that you can hear your own heartbeat and even the faintest movements of your body. Simply incredible.

10

A strange law (Los Angeles, CA)

Why would a city actually pass an ordinance saying that licking toads is a bad idea? That’s Los Angeles, a place full of quirks, some charming, some downright strange. Even its laws can be unusual.

The Colorado River toad, found in parts of California, secretes chemicals that can have powerful psychoactive effects on humans. Because of the risks, both possession and use of this substance are illegal statewide. In 1994, cases occurred, including a teacher who was arrested for possessing the toad substance. But Los Angeles went a step further, passing an ordinance that specifically bans licking these amphibians. And let’s be honest, the poor toad probably doesn’t enjoy it either.