Dawn Brancheau was killed while performing with an orca named Tilikum in Orlando on February 24, 2010 — and SeaWorld never allowed humans into tanks with killer whales ever again.

A fisher cat is not a feline and it does not catch fish, but this weasel relative is one of the most powerful hunters in North America.

Hailing from Mardin, Turkey, Sultan Kösen stands a whopping 8 feet, 3 inches tall — and holds the current Guinness World Record for being the tallest living man.

In 1920, the two psychologists behind the Little Albert Experiment performed a study on a nine-month-old baby to determine if classical conditioning worked on humans — and made him terrified of harmless objects in the process.

A child singer and dancer, Esther Jones inspired Paramount to create the cartoon character Betty Boop in 1930 — but she never received any credit or royalties.

Vicente Carrillo Leyva was warned by his infamous father, Amado Carrillo Fuentes, not to go into the family business — but he couldn't resist and was eventually arrested for his crimes in 2009.

Though it was an innocuous-looking wooden frame, the torture rack might have been the medieval era's most brutal device — and it was used well into the 17th century.

Grigori Rasputin's penis was allegedly cut off after his 1916 murder, then later pickled and placed inside a jar that was put on display in a St. Petersburg museum.

The hammer-headed bat is the largest bat species found in Africa. But while it may look like a carnivore, it only eats fruit.

Before Brutus' name became synonymous with the betrayal of Julius Caesar, Roman republicans sang his praises as a hero of democracy.