Though it's hard to believe that Soviet scientist Vladimir Demikhov actually made a two-headed dog, these surreal photos are the proof.

These eccentric figures have gone down in history for everything from their odd eating habits and unorthodox pets to their extravagant spending and questionable relationships with sea creatures.

From innocent lingerie modeling to fetish and S&M photoshoots, these pinup girls broke the mold in 20th-century America.

Dolly Oesterreich hid her lover, Otto Sanhuber, in the attic of the home, and after Sanhuber killed her husband in 1922, the couple almost got away with murder.

These vintage sideshow performers were born with unusual physical attributes, giving them little choice other than to make their living doing "freak shows."

Gerardo Medina was born in Peru in 1949 — when his mother, Lina Medina, was just five years old.

Actress and comedian Mae West was one of the biggest sex symbols of the 1930s — and these stunning photos show why.

Located near the Arctic Circle, Oymyakon, Russia is the coldest inhabited place on Earth. Winter temperatures average around -58°F — and only 500 residents brave the chill.

Go inside the complicated history of what year it is right now, according to the cultures and religions that don't follow the Gregorian calendar.

A serial rapist named Frank La Salle held Sally Horner captive from June 1948 to March 1950, and her story was so similar to the controversial plot of Vladimir Nabokov's Lolita that the author named Sally in the novel.