Hidden below

10 unusual things people found buried in their backyards

Image: Evgeniy Kozlov

If you have a backyard, chances are you've wondered what might be lurking beneath its surface. While most of us will only find little more than rocks—or perhaps the remains of a long-lost pet—incredible discoveries aren’t as rare as you might think. From priceless treasures and ancient artifacts to entire forgotten graveyards, here are 10 astonishing stories of people who unearthed remarkable finds right on their own property!

Image: Rick Lobs

In Virginia, a homeowner unearthed a 150-year-old Civil War cannonball while digging. The artillery shell, found near the site of a historical battle, was over 150 years old. Such relics are not uncommon in Virginia, a state that saw more action than any other during the war. Despite their age, unexploded ordnance like this remains risky, as even after centuries these artifacts can still be active and ready to blow up.

Image: Steve Wrzeszczynski

In 2017, a man in Pombal, Portugal, uncovered the fossilized remains of a sauropod dinosaur while doing construction work on his property. Sauropods are a species of plant-eating herbivores. They are among the largest land animals ever to exist, and this particular specimen was even thought to be the largest ever found in Europe.

Image: Roman Kraft

In Massachusetts, construction work at a schoolyard uncovered a 124-year-old time capsule—a copper box about the size of a shoebox. Inside were newspapers from 1894, fragments of Civil War military uniforms, and lists of local residents who served in the war. The remarkable find was donated to a local historical society for evaluation and preservation.

Image: The DK Photography

In the UK, a man discovered an urn containing thousands of ancient Roman coins while digging a fishpond in his backyard, just four feet below the surface. Talk about striking gold! The coins were estimated to be around 1,700 years old. Roman coin hoards have been found across Britain, often dating back to the decline of the Roman Empire.

Image: Natalie

In Tampa, Florida, a family had their own "Goonies" moment while cleaning out their grandfather's attic. During spring cleaning, they discovered a box containing a tattered map of the Hillsborough River, 18th-century Spanish and Portuguese coins, a family photo—and a mysterious hand wearing an antique ring. To make it even crazier, some suggest the hand might belong to the infamous Tampa Bay pirate José Gaspar.

Image: Jerry Wei

In 1978, two Los Angeles children reportedly discovered a buried Ferrari in their backyard, thought to have been stolen years earlier. The wild story made national news, with the most surprising detail being that the car was in shockingly good condition despite its time underground. However, it was later revealed that the story was a cover-up: an informant had tipped off the police about the car's location, and the story was a plan to shield the snitch's identity.

Image: Library of Congress

In Plymouth, England, an unexploded World War II bomb was found in a garden, forcing the evacuation of 10,000 people. Bomb disposal experts took the device away and, after considering all options, decided to detonate it at sea. Unsurprisingly, the event brought the community together during the massive evacuation, with some likening the sense of unity to the "wartime spirit" of old.

Image: Jingming Pan

In a strange case from Roanne, France, a couple who had recently purchased a house found 28 gold bars buried in the garden, with an estimated value of 800,000 euros (roughly equivalent to 822,000 US dollars). However, when they attempted to sell the bars, their sudden riches drew the attention of the French anti-money laundering agency. This led to claims from the previous owners of the house, quickly turning the discovery into a legal headache.

Image: Dylan de Jonge

While renovating their home in Ames, New York, a couple uncovered a stash of Prohibition-era whiskey hidden inside the walls and floorboards. Bundles wrapped in tattered paper contained six bottles each of "Old Smuggler" Gaelic Whiskey, dating back to 1923. The house had once been owned by a German bootlegger named Adolph Humpfner, who undoubtedly left behind the secret stash for the future. A true treasure for whiskey lovers!

Image: Ashutosh Gupta

A family in Norway got more than they bargained for when searching their yard for a lost earring with a metal detector. Instead of jewelry, they uncovered relics from a Viking burial beneath a large tree. The finds included two bronze ornaments once covered in gold, possibly marking the first Viking Age (A.D. 793–1066) discovery on the island of Jomfruland. Experts even said this amazing find confirmed suspicions that the island was inhabited during the Viking period.

Decoding

Being a "treasured guest" is not a compliment. This is the hidden meaning

Have you ever heard "Code Adam" while shopping for groceries at Walmart? Or maybe you’ve heard how "Dr. Firestone" was being paged during a routine hospital visit. They sound like harmless announcements. But behind these ordinary words are secret codes staff use to signal emergencies without causing panic. From hospitals and supermarkets to airports and Disney Parks, these phrases quietly warn employees that something is happening. You hope you never hear them, but if you do, it helps to know exactly what they mean.

We all love getting special attention at airports or hotel desks, but if you hear the clerk call you a "treasured guest," don’t feel so flattered. You may not be as VIP as one could think.

In the hospitality industry, "treasured guest" has become a humorous bit of industry folklore to describe someone causing trouble. Maybe a customer yelling at staff over expired coupons, demanding impossible accommodations, or throwing a full-blown tantrum at the front desk. Whatever it is, the phrase has become the staff’s secret way to warn co-workers without escalating the situation in front of the customers. Most guests don’t realize the meaning, but once you know it, you may start hearing it more often. We just hope it’s not about you.

Imagine you’re pushing a shopping cart through Walmart when suddenly the overhead speaker announces, "Code Adam." You can easily assume it’s some kind of employee meeting or cleanup request. But when you see them start locking the exits and moving around, you know something’s wrong.

This code was created in 1994 by Walmart in collaboration with the National Center for Missing & Exploited Children (NCMEC), in memory of the tragic case of 6-year-old Adam Walsh. Adam was abducted from a Sears department store in 1981 while shopping with his mother. His father, John Walsh, later became famous for hosting the TV program America’s Most Wanted and advocating for missing children. Even if Adam’s story ended in tragedy, Walmart created the emergency system in Adam’s memory, and other retailers soon adopted it nationwide, intending to have a quick response to missing or abducted children.

You’re sitting in a hospital waiting room during a routine check-up when you suddenly hear "Code Blue, Room 214." Most people immediately know it sounds serious, even if they are not entirely sure why.

The phrase "Code Blue" is used at hospitals to draw the necessary staff and equipment to perform a resuscitation. It was created in the early 1960s at Beathany Medical Center by Dr. Hughes Day. Before then, hospital resuscitations were often chaotic and poorly coordinated. In 1961, Dr. Day received a grant to build one of America’s first cardiac care centers, and he developed both the Code Blue alert system and the modern crash cart to improve survival rates during cardiac emergencies. Today, the system is used in hospitals across the country, sometimes with specialized versions like "Code Blue Pediatric" or "Code Blue Neonate."

Imagine visiting a loved one in the hospital when the intercom calmly announces, "Paging Dr. Firectone to the third floor." Your head surely goes, "Dr. Firestone’s probably having a busy day up there." He is, but it’s not what you think.

The phrase is actually a discreet fire alert used to warn staff about smoke, flames, or overheating equipment without frightening patients and visitors. Hospitals adopted these coded announcements after realizing that openly yelling "fire" over loudspeakers could create panic, especially among patients who aren’t able to move quickly. "Code Red" is an alternative used by many health centers today, but it also hints at the situation while keeping hallways calm.

You’re standing at a checkout counter when the cashier picks up the phone and quietly says, "I need a Code 10 authorization." If you think that’s just another way to get a supervisor’s approval or technical issue, think again. In reality, the cashier may suspect the credit card is stolen or fraudulent.

Code 10 was developed through a cooperative effort between major credit card companies like Visa and Mastercard, along with international standard organizations. As credit cards became more common in the 1960s and 1970s, stores needed a discreet way to alert banks about suspicious activity without directly accusing customers and potentially putting employees at danger. When a cashier requests a Code 10, the bank’s operator begins asking yes-or-no questions to assess the situation and guide the employee on what to do next.

You’ve probably experienced those long airport security lines. The wait is usually uneventful. But sometimes, you can hear "Code Bravo" over the speakers. Maybe it’s a delay, or maybe it’s an issue with luggage. Within seconds, people stop moving, the security line freezes, and exits may even close. It’s something bigger.

Code Bravo is the emergency phrase used by airport security and the Transportation Security Administration to signal a serious security threat, such as an unattended bag, a breach at a checkpoint, or someone slipping into a restricted area. The term comes from the international phonetic alphabet used in aviation and military communications, where "Bravo" represents the letter B. When this is called, security staff immediately lock down affected areas, stop screening lines, and search for the source of the threat. To passengers, it’s sudden and confusing, but to security, it’s a carefully rehearsed response.

You are heading back to your cabin on a cruise ship when the speakers announce, "Code Alpha, Deck 7." You may think Alpha is related to the captain, but that’s not the case. It means someone on board is suffering a medical emergency.

The phrase comes from the NATO phonetic alphabet, where "Alpha" represents the letter A. In maritime emergency jargon, it became shorthand for a Priority A medical situation requiring immediate response. Cruise lines such as Royal Caribbean and Disney Cruise Line commonly use the term, though some ships use variations like repeating "Alpha" three times. Once the code is announced, onboard medical teams rush toward the specified deck or cabin. If necessary, stretcher crews are mobilized, and in severe cases, the ship may even divert course toward the nearest port for emergency evacuation. Passengers are enjoying the views, but the staff is running to save a life.

Anyone who remembers the CB radio craze of the 1970s probably smiles when they hear "10-4." Movies, truckers, and radio fans turned those number codes into a part of American culture. So if you overhear "10-33" on a police scanner, you might assume it’s just another routine message. But it’s not as simple as it sounds.

The 10-code system was first created in 1937 by Illinois State Police communications director Charles Hopper and later standardized by the Association of Public Safety Communications Officials, better known as APCO. Officers needed short phrases they could understand clearly over crackling radio signals. The 10-33 code commonly means an officer needs emergency assistance. In some departments, it also signals radio silence so dispatchers can focus on the crisis unfolding in real time.

Disney World is amazing, the parks offer something for everyone, and there are things to see wherever you look. But that’s exactly the kind of place where a child can easily disappear into a sea of strollers, balloons, characters, and crowds. For that reason, Disney has developed the "Signal 70," which alerts cast members and security that a child has become separated from their family.

The number comes from older police and emergency radio systems, where "70" was commonly associated with missing persons. Disney adopted the phrase because it allows employees to communicate discreetly without frightening or alarming nearby guests. If a member finds the child, they gently -and magically- escort them to Baby Care Center, where they coordinate the reunion.

Cruises are great to relax, enjoying a good book under the sun with a nice drink by the side. Until you hear "Echo, echo, echo" on the speakers. If you do, something is happening somewhere else on the ship.

The code is used among cruise employees to signal that dangerous winds or a navigational hazard are affecting the ship. It comes from the international maritime phonetic alphabet, where "Echo" stands for the letter E. In maritime signalling, the letter traditionally means "I am altering my course to starboard." And, in time, the phrase became associated with urgent ship maneuvers and weather-related warnings. However urgent, the repetition of the word by three doesn’t represent life-threatening situations. It alerts the crew of a certain hazard to prepare while avoiding panic among passengers.