Would you believe that the beginnings of modern endoscopy were really all thanks to one professional sword-swallower? Or that lack of sleep could have some strange upsides? What about drinking vomit in the name of science? These are the stories of the most bizarre, unthinkable and outrageous experiments in history.

Imagine free falling 30,000 feet without a parachute, or being buried alive and living to tell the tale. Or... what about getting trapped in a tiny room inside a sunken ship on the ocean floor...For three days? These are improbable yet true-life tales of surviving the most extraordinary conditions.

Picture this: a full-body gas mask for babies. How about Smell-o-Vision? Or a robot powered by eating slugs? These are all real inventions, and we’ve got them covered–including inflatable airplanes, hidden cameras in your contact lenses, and coffin security systems to protect you in the afterlife.

I'm sure you've heard of an eye for an eye, but have you heard about some of the sweetest stories of revenge? Like the one about a man in Colorado that uses a "killdozer" to settle a zoning dispute or another about an Emperor who pickles his wife's lover? This episode explores unbelievable vengeance seekers who take things maybe a little, well… too far.

Some of the world's most valiant figures overcome the most treacherous, impossible and downright bizarre circumstances. Like a man who survives the apocalypse, or a woman involved in not one, but three maritime disasters. And a cat that proves to be unsinkable in battle. These are the stories of survival, success and reunion... against all odds.

Did you know beards can be deadly? Or that a lawnmower once killed a spectator at a football game? What if I told you someone died from drinking too much water? These are just some of the wild and crazy deaths... that are truly unbelievable.

Sometimes the strangest things on Earth…are happening just below its surface. From tunnels carved by giant sloths to desperate attempts to stop the dead from rising again–these are the weird and wonderous tales of the sea beasts, hidden cities and impossible creatures that lurk beneath us.

A trip to the doctor is sure to cure any afflicted individual, but what happens when even the doctors are stunned by what they see?; from a family cursed with blue skin, to a girl allergic to the world's most unlimited resource and more.

Monkey glands for immortality, hypnotized assassins, and a brain-linked cyborg couple. We investigate some of the strangest experiments on record. From two-headed dogs and testicle transplants…These are the bizarre but real experiments that boggle the mind. Prepare to be astounded–and a little grossed out.

From the unexpectedly gruesome sport of toe wrestling, to a tight competition between the world's ugliest pets, or even the harrowing origins of some of our favorite schoolyard faceoffs. We're exploring the world of strange games; each one more bizarre than the next.

Some of history's most brilliant innovations are also the most bizarre. Like a fully functioning car that hovers in midair, or clothing made out of everyone's favorite source of calcium. How about a robot dog that breathes fire? These are the tales of history's most bizarre inventions.

Imagine a man floating through the sky by dozens of balloons, all attached to a single lawn chair. Or, a circus conducted by a team of performers only visible via magnifying glass. How about a cycling grandpa that proves to be no match for his youthful counterparts? These are the tales of history's most unbelievable, strange and completely unexpected spectacles.

From riding massive tree trunks down a treacherous slope, to hosting a barrage of monkeys for an all-you-can-eat buffet, to a food fight of epic proportions; these are the stories of history's most bizarre and extraordinary traditions.

Have you heard about the warrior bear who helped the allies win WWII? Or how about the real-life hobbit humans in ancient Indonesia? What if I told you gerbils were recruited to fight crime in Canadian jails? This episode explores the unbelievable stories of the planet's most fantastic beings.

Many say it's not about the destination, but the journey that gets you there. From a dog's space voyage, to a harrowing story of Arctic survival and various trips through time... These are the journeys that are so extraordinary, they are truly unbelievable.

Did you ever wonder what it would be like to get attacked by a million bats with tiny bombs strapped to their chests? What about inflatable tanks, robot assassins, bazooka Vespas, war dolphins...The list of outrageous weapons goes on! These weapons, and others, pushed the boundaries of "possible" in the weirdest ways ever.

We've heard the tales of successful prison breaks, but these aren't your average escapes. From a man who frees himself all thanks to a stone fruit, to a Soviet pilot that evades capture by stealing the enemy's plane.

Imagine a city where the commute requires a zipline, or a town crawling with some strange monkeys and even a spot that holds a beautiful waterfall that spews blood. Get your passports ready, as we take a tour of the most unusual places in history.