1.   There's an annual Hide and Seek World Championship held in Italy.

2.   The world's largest known cave chamber by volume is the Miao Room in the Ziyun Getu He National Park in Guizhou Province, China. It has a volume of 10.78 million cubic metres.

3.   At El Diablo restaurant in Lanzarote, uses geothermal heat from a dormant volcano to cook its food.

4.   There are more doughnut shops per capita in Canada than anywhere else on the planet.

5.   The Seattle Metropolitans hockey team became the first American team to win the Stanley Cup in 1917.

6.   Magpies are one of few non-mammal species able to recognize themselves in a mirror and are considered one of the most intelligent animals.

7.   One in every 2,000 to 3,000 babies is born with a tooth. These are called natal teeth.

8.   The word 'bully' once meant 'sweetheart.'

9.   A group of ferrets is called a business.

10.   Breastfeeding can lower a mother's risk of high blood pressure, type 2 diabetes, and breast and ovarian cancers.

11.   The first item sold on eBay was a broken laser pointer.

12.   The oldest known rocks on Earth are located in Greenland and have been dated to be 3.8 billion years old.

13.   Venus rotates in the opposite direction to the other planets.

14.   Civilians are often the ones who suffer the most in war. In fact, during World War II, it's estimated that around 50 million civilians lost their lives.

15.   Oysters change their sex up to four times a year.

16.   Bats are facing many threats such as habitat loss and human persecution.

17.   The practise of burying the dead may date back 350,000 years.

18.   The first email was sent in 1971.

19.   The Dunning-Krugger effect is a cognitive bias in which intelligent people tend to over underestimated themselves while people with very little knowledge tend to overestimate themselves significantly.

20.   A Judas goat is a trained goat that will leads other goats to their slaughter while its own life is spared. This type of technique and term was originated from cattle drives in the United States in the 1800s.

21.   In 2009, a man dressed as Santa Claus robbed a bank in Tennessee: he claimed he needed money to 'pay his elves.'

22.   Red diamonds are commonly known as the most expensive and the rarest diamond colour in the world, with less than 30 known red diamonds having been found.

23.   In Germany, there is a theme park called "Wunderland Kalkar," which is built on the site of a former nuclear power plant.

24.   A duel between three people is called a truel.

25.   The PAM cooking spray is an acronym for Product of Arthur Meyerhoff.

26.   Logistics Art Project film is the longest film ever made at 857 hours or 35 days and 17 hours.

27.   Bats are not blind, they use echolocation as a primary sense to see the world.

28.   Horror writer Stephen King has triskaidekaphobia, a phobia of the number 13.

29.   The human body contains over 60,000 miles of blood vessels.

30.   In the US, there is a city called Truth or Consequences in New Mexico, which was named after a popular game show in the 1950s.

31.   A group of cockroaches is called an intrusion.

32.   The average American consumes around 23 pounds of pizza per year.

33.   Stephen Crohn, also known as "The man who can't catch AIDS," has a genetic mutation "delta 32" that caused him to be immune to AIDS.

34.   Billy Stanley Milligan (1955-2014) was the first person in US history acquitted of a major crime by pleading multiple-personality disorder. It was reported he has 24 personalities, and each personality has its own name and characteristic including Arthur, an expert in science, medicine and hematology; Allen, a manipulator; Tommy an escape artist and technophile; Ragen Vadascovich a Yugoslav communist who Milligan claimed had committed the robberies; and Adalana, a 19-year-old lesbian who had allegedly committed the rapes.

35.   The world's largest cave, Son Doong Cave in Vietnam, is so vast that it has its own weather system, complete with clouds and an underground river.

36.   An island in the Maldives is made of parrotfish poop.

37.   Mark Zuckerberg tried to sell Facebook in 2005 for $75 million.

38.   Abraham Lincoln is the only U.S. president to have obtained a patent.

39.   Betty Lou Oliver holds the Guinness World Record for the longest fall survived in a lift(elevator). She survived a plunge of 75 stories (1,000 ft) in a lift in the Empire State Building on July 28, 1945.

40.   The longest place name in the world is Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitanatahu

41.   Dolly Parton, the country music legend, has a literacy program called "Imagination Library" that sends free books to children from birth until they start school. The program has distributed millions of books to kids worldwide.

42.   It’s illegal in Tennessee for an atheist to hold office in the civil department.

43.   A chicken once survived almost two years after having its head cut off, and his name is Mike, the Headless Chicken.

44.   Greece national bird is a Phoenix.

45.   Poisoned milk killed Abraham Lincoln’s mother when he was nine years old in 1818.

46.   Parachutes were invented before airplanes.

47.   Mammoths were surviving on Wrangel Island until 1650 BC, which is about 1000 years after they laid the last stone on the Great Pyramid of Giza.

48.   When Guillermo Del Toro’s father was kidnapped, James Cameron gave Del Toro $1 million in cash to help pay the ransom.

49.   A company in Canada started selling canned fresh air as a joke, then the Chinese made it real, paying up to $20 a can.

50.   In 2017, a man in China married a robot he had built himself.