Body Bizarre

The incredible "tree man" of Bangladesh shares his story. A rare condition turns an American girl's muscles into bone. Two Brazilian brothers travel 24 hours up the Amazon for surgery on the tumors on their heads and bodies.

An 8-foot-tall Brazilian man and his under 5-foot wife seek fertility help. In Colombia, a teen falls asleep for a month and seeks a cure. A man born without limbs tries a bionic arm. An American student discovers her own twin growing inside her brain.

The family of a toddler born with an extra arm in his back weighs an operation in Nepal. Romanian doctors try to remove a woman's giant eye tumor. A Chinese woman was born with backward knees and faces a series of complex surgeries.

Uganda's most unusual-looking man searches for a diagnosis for his misshapen head. A Colombian teenager has the face and body of a 90-year-old woman, and an Ethiopian girl has a massive tumor growing through her nose and forcing her eyes apart.

A boy in India has four legs, with the second pair growing from his back. A California girl's birthmark eats away at her face, and she has her 17th operation. An Ethiopian boy's face was injured by a hyena.

An 8-year-old with a rare form of dwarfism travels to Ecuador, where hundreds of people have the same condition. An Indian acid attack victim is fighting back with beauty videos. A 22-year-old man is trapped in a child's body in France.

A girl in India was born with a huge facial tumor giving her the appearance of the Hindu god Ganesh. Can surgeons save her face? A German boy's skin condition is treated by fish feeding on his submerged body. A Croatian boy copes with his rare dwarfism.

In Sweden, a man needs another surgery on a huge facial tumor. A Brazilian swimmer suffers from a creeping paralysis condition. Doctors attempt to separate conjoined twins in China, and three supersized Indian siblings just can't stop eating.

An American family wants to adopt a Chinese boy who is blind and has no nose. A man in Madagascar goes to great lengths to get surgery on his skull tumor. The world's tallest girl lives in Turkey, and a girl in Brazil measures just 43 cm tall.

An Indian girl with intense stomach pains is found to have the world's biggest ovarian cyst. Two football-loving English brothers born without toes are fitted with miracle prosthetics. A Mexican man born without limbs invents toys for children like him.