Looking at the ways people change their appearance for psychological, aesthetic or other reasons.
Examining different rituals around the world.
A man with a backyard battlefield; a community that dwells underground; a collector with hundreds of mannequin roommates; a professional couch surfer.
Rajee is a transgender woman who took part in black market plastic surgery; Moustafa is known as the real-life Popeye.
A doctor who takes his patients to new heights; a man with a poisonous passion for self-immunization; a priest who turns to the dark arts; a therapist who works with blood sucking organisms.
A woman profits from her massive size; a couple proves relationships are a matter of give and take; a woman's fears push her into 'heavy' territory; club-goers defy the rules of the velvet rope.
Body modifications; piercing as a concept of art; a man who embraces his animal instincts.
People's obsessions that are a little out of the ordinary.
A man who strives to cut out aging from his life; a bodybuilder who has turned to steroids; an Eastern guru who lives and breathes his spirituality.
Behind the doors of American homes, there are people trying to make a living with strange professions.
Finding 'the one' and forming meaningful relationships are some of the most basic drives in daily American life; but what some believe to be normal doesn't always work.
A man thinks he's a dog trapped in a human's body; a Pony Play dominatrix; Satanists and a real life vampire are all alternate beings.
In America, it is not uncommon to turn to the knife for aesthetic improvements.
Many cultures believe that evil can manifest in demonic spirits that enter a person's body.
The various ways that societies commemorate their loved ones' passing.
A profile of people living with conditions beyond their control that make them outsiders.
Challenging the perceptions of what it means to be a child; a teenage girl who wants to become a male; a 9-year-old who drives race cars; Nepal girls who are worshiped as living goddesses.
Unique matches include a fruitarian couple who live off the fruit they find in dumpsters.
People who take collecting into bizarre territories.
In one married couple, each partner has switched gender; one person self-refers as a hybrid -- neither male nor female.
Body modification that has been taken to the extreme.
'Baba' Dez Nichols claims he's had sex with nearly 2,000 women; love of balloons; 40-year-old virgin.
Nontraditional weddings; a naked wedding in Jamaica; dog wedding; a young man kidnaps his bride.
Examining the devastating effects of alcohol abuse.
In Minneapolis, a team of heavy-duty house cleaners tackles a truly filthy, foreclosed house with one of the most disgusting basements ever.
Standards of beauty in different cultures; facial transplants and facial deformity.
People whose passion for collecting crosses the line into obsession.
The sexual customs and age of consent varies in countries around the globe.
A man who began drinking at the age of 12 is now 27-years-old and cannot stop; he faces withdrawal symptoms and rehab proves to be his most difficult challenge.
People with extreme medical conditions including Tourette's syndrome and sleeping disorders.
People who deal with death for occupational, cultural and sometimes questionable reasons.
Heroin addicts purge their habit in a brutal detox; an asthma treatment that involves swallowing a live animal; animal sacrifice for pain relief.
In many cultures, what is considered acceptable violence pushes the boundaries.
Unconventional relationships including a woman in love with a man three times her height and a marriage made up of three partners.
A look into the world of people who are leading double lives with surprising secrets.
People with emotional, romantic and sometimes sexual attraction to an object.
People in love with inmates serving time include a Texas inmate in solitary confinement who is married with the help of a radio host as the surrogate groom and a man serving life for murder who meets and marries a woman over the Internet.
A Florida woman who shares her home with almost 400 pigs; a man who has collected nearly two million vinyl records.
The lives of those haunted by addiction include a young boy hooked on video games, a woman addicted to anonymous sex and a man addicted to shopping.
Life collides with fantasy.
Women who mutilate their bodies.
The ways different cultures deal with the dead.
Taboo human relationships; witnessing a man in the United States who falls in love with a sex doll.
While some societies wage war on drugs, some embrace them for their medicinal or spiritual benefits.
People who dwell on the fringes of society.
As people across the globe are getting heavier, beauty norms for some are changing; for others, the sight of fat is still taboo.
The hidden world of prostitution.
Love and what attracts the opposite sex can differ from one society to another.
Animal sacrifice in Nepal; the traditional whale-slaughtering tradition, Grind, in Denmark; cockfighting in Bali.
Young men leap head-first from a 70-foot tower in a potentially deadly ritual; a girl tattoos her face before marriage as part of her transition to womanhood; a 70-year-old man participates in a bloodletting ceremony.
Boys in Brazil put their hands in gloves filled with fire ants; boys have whipping competitions in West Africa; a woman in South Korea must become a shaman to save her life.
The lengths people will go to to change their looks.
The lengths some societies go to to punish a crime.
Gender, sex and sexuality can be interpreted as cultural or genetic.
Some cultures incorporate mind-altering drugs into social and religious life.
Every society contains people who live on the fringe, either by force or by choice, and must suffer the consequences.
What people can and can't eat may be nothing more than a question of mind over matter.
Many traditional cultures require boys to pass through initiations of pain and fear in order to become men.
Stepping beyond the bounds of modern science to place health in the hands of the spirit world.
An Australian health therapist drinks his own urine; men and women in the Philippines sell their kidneys to wealthy foreigners; a woman in Papua New Guinea breast-feeds a pig.
Some religions measure piety by physical suffering and self-inflicted pain.
Indian children participate in a self-mutilation ritual; young children kickbox for extra income for their families in Thailand; a 5 year-old continues to be breast fed.
A man evicts bodies from rented burial plots in Manila; an autopsy entrepreneur contracts out his services; a woman performs Buddhist rituals at the scene of a fatal car accident.
Some people go to extreme lengths to find mates.
Some jobs are so disgusting that few people are willing to do them.
Determining the line at which entertainment becomes grotesque.
The devoted and bizarre world of pet ownership.
Extreme rituals for testing one's faith.
Shedding clothes as an act of expression or liberation, and even as a means of worship.
People who reshape their bodies by extremes.
Measuring people's worth by the ability to overcome the fight-or-flight instinct.
Different ways individuals express themselves through their bodies.
Some people go through their life feeling they were born the wrong gender.
Repeatedly cutting skin to create the effect of crocodile skin; a tribe of people's belief in physical perfection is so deep that some individuals kill their babies.
Some people perform extreme acts to be accepted and to prove their worth.
People deal with the aftermath of fatal crimes.
People who cross the gender lines.
Stories of the spirit world invading the real world.
Visiting an Indian temple that reveres rats; a no-clothes-allowed community; spending the night in one of Manila's deadliest neighborhoods.
People jump naked over the backs of 30 cows, undergo sex-change surgeries, or slice and scar their upper bodies to resemble crocodiles in order to be considered men.
People eat cheese crawling with maggots, rotten fish heads, grilled guinea pig and eyeballs, blood and brains.
The art, meaning and mystery of tattoos.
Food delicacies from around the world.
Extreme measures people go to in order to get in touch with a higher spirit.
Students of human behavior and cultural norms provide perspectives on extreme rites and tests of faith from around the world.
People who make a living doing uncommon jobs.
Extreme tactics people use to distinguish themselves as part of a group.
Unusual definitions of family.
Child rearing techniques around the world.
People who have been cast out of their community.
Religious devotees around the world offer their bodies to their gods.
Methods for achieving beauty.
Cultural dealings with dead bodies.
Using creatures like leeches, baboon claws and bees to cure common ailments.
Food delicacies from around the world.
Abandoning modern systems of justice for older and more controversial methods.
Cultural practices guiding people into the next phase of life.
Extreme tests of faith.
Boundaries between what is man and what is woman.
Good vs. evil spirits.
The societal impact of mind-altering drug use.
Acceptable marriage practices based on culture.
A journey to the birthplace of voodoo in West Africa, where a man entrusts his daughter to a spirit that intends to kill her, then give her a new life.
Lure and horror of ritualized violence.
Various forms of skin art illustrate the border between acceptable and taboo.
The different ways people around the globe address intimacy issues.
Unorthodox healing practices that go beyond the confines of science, ranging from drinking one's own urine to a traditional blood ritual.
What humans eat.