3 men lived on top of a billboard in tents for almost 9 months

Hollywood actress Hedy Lamarr was also a mathematician and the inventor of frequency hopping spread spectrum, a technology still used for bluetooth and wifi

Poto and Cabengo, as the two girls called each other, communicated in their own language. The twins were ignored by their parents and secluded from the outside world because their father felt they were developmentally retarded, and their unique language evolved as a result of that neglect.

For years, scientists didn’t know what caused mysterious cave networks in South America. In 2010, they learned that the caves were actually tunnels dug by ancient giant sloths

Long before radar revolutionized air defense, enormous acoustic mirrors and specialized sound locators stood as the first line of defense against enemy aircraft. Designed as giant “ears,” these structures amplified distant engine noises, allowing operators to detect incoming planes by sound alone. Dive into the intriguing world of these pioneering listening devices, their operation, limitations, and enduring legacy in military history.

Henry Ford was the first Industrial Giant to give his employees both Saturday and Sunday off in the hope of encouraging more leisurely use of automobiles and thus popularizing the concept of the "weekend."

At the 1936 Summer Olympics, two Japanese pole vaulters named Sueo Oe and Shuhei Nishida tied for second, but they declined to compete against each other. As a result, Nishida was awarded the silver medal and Oe won a bronze medal. Upon returning to Japan, the athletes had their medals cut in half and spliced together to create new "friendship medals," which were half silver and half bronze.

While we're all locked at home, there's no better way to escape to another time and place than to learn about amazing archeological sites and discoveries from around the world. Here are the 10 greatest and shocking archaeological discoveries —and don't be shocked if they inspire future trip plans whenever it's safe to do so again.

On April 28, 1988, Aloha Airlines flight 243 was on the way to Honolulu from Hilo when a huge portion of the upper part of the fuselage blew off the airplane.

In the bustling vaudeville scene of early 20th century New York, a mysterious performer known as "Sober Sue" captured public imagination not for jokes or songs, but for her unshakable stoicism—she never smiled or laughed. A local theater even offered a tempting reward of $1,000 to anyone who could make her laugh, drawing crowds and famous comedians eager to claim the prize. Despite countless hilarious attempts, Sue remained expressionless, a mystery that baffled performers and audiences until it was revealed that she suffered from facial paralysis, explaining her unchanging demeanor.

Icelandic women went on strike for equal rights on October 24, 1975. 90% of women walked out of their jobs and homes, effectively shutting down the entire country. The men were struggling to keep up. The following year, Parliament passed a law requiring equal pay. Iceland elected the world's first female President five years later. Iceland now has the highest gender equality rate in the world.

Vince Coleman, a railway dispatcher, sacrificed his life in order to warn an incoming train of an imminent explosion. His telegraph said “Hold up the train. Ammunition ship afire in harbor making for Pier 6 and will explode. Guess this will be my last message. Good-bye, boys.” He saved 300 lives.

Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo on June 28, 1914. The killings sparked a chain of events that led to the eruption of World War I by early August.

Before women were allowed to enroll in medical school, Margaret Ann Bulkley studied medicine and assumed the identity of Dr. James Barry for 56 years while dressing as a man. After 46 years of service as an army doctor officer, her secret was not made public until after her death in 1865.

A Greek prime minister in 1830’s tried to spread the potato in Greece but people weren’t interested so he put armed guards in front of shipments of potatoes so people would think they were important. People later started stealing these potatoes a lot which spread the crop to all of Greece.

Anne Oakley was such a good shooter that she could split a playing card help edge-on, hit dimes thrown into the air, shoot cigarette from her husband's lips, and pierce a playing card thrown into the air before it hit the ground.

In 1919, J.D. McMahon convinced investors to fund a 480-foot skyscraper, but he labeled the plans as 480 inches, building a 40-foot structure instead. After taking $200,000, he won in court since the plans matched what he built.

Before alarm clocks were invented, there was a profession called a knocker-up, which involved going from client to client and tapping on their windows (or banging on their doors) with long sticks until they were awake. It lasted into the 1920s.

A man named Joseph Bolitho Johns (A.K.A Moondyne Joe) broke out of Australian prisons so many times that the police were compelled to build a special cell just for him. He escaped from that as well.

Over 1,800 years ago, long before modern technology, the ancient Chinese astronomer and inventor Zhang Heng created the world’s first seismograph in 132 AD. This ingenious bronze device could detect distant earthquakes by releasing small balls from dragons’ mouths into toads’ mouths—each indicating a different compass direction. Its historic detection of an earthquake 400 miles away astonished the imperial court and transformed the way societies understood and responded to seismic events.

During WWII, a German pilot spotted an American pilot’s crippled plane in the sky. Tailing it, he noticed that gunner was dead, crew injured, and they posed no threat. Instead of destroying the plane, he led it to safety. 40 years later, the two pilots reunited.

Philippines is the world’s largest supplier of nurses, supplying roughly 25% of all overseas nurses worldwide.

Discover the astonishing true story of Israeli pilot Zivi Nedivi, who safely landed an F-15 after a mid-air collision tore off its entire right wing. Learn how skill, quick thinking, and the F-15’s unique design turned a disaster into a legendary feat in aviation history

A baboon worked as a signalman for the railroad in the late 1800s. He never made a mistake and worked for the railroad until the day he died.

The first person to jump off the Brooklyn Bridge was a professional high diver who "wanted to demonstrate that people did not die simply by falling through the air, thus encouraging people to be willing to jump from a burning building into a net." He proved himself correct by safely falling 135 feet through the air and dying only when he hit the water.

A protestant man and a Catholic woman who weren't allowed from being buried together in a graveyard in 19th-century Holland turned their graves into a monument showing them holding hands across the wall separating them.