The man, dubbed Índio do Buraco, the "indigenous man of the hole," resisted contact with the outside world for the past 26 years.

For much of the Cenozoic Era, terror birds dominated South America and hunted with hatchet-like beaks — until they went extinct about 2 million years ago.

On June 4, 2008, Jodi Arias butchered her ex-boyfriend Travis Alexander just after they had sex. His body was found days later with 27 stab wounds and a gunshot to the head.

Investigators found Satanic symbols and "significant" numbers in Nathan Gilmore's house, as well as Snapchat messages that implied he'd killed someone.

From 18th-century pirates like Blackbeard and Edward Low to the submarines and destroyers of World War II, the skull and crossbones pirate flag known as the Jolly Roger evolved countless times before becoming the version we know today.

Jeremy Lee Pauley allegedly paid around $4,000 for a collection of body parts stolen from an Arkansas mortuary — including half a human head.

On February 2, 2013, Christopher Kyle was shot with his own pistol by Eddie Ray Routh at a gun range in rural Texas.

From his love of pigeons to the original idea for his facial tattoo, these facts about Mike Tyson will change how you see the legendary boxer.

Balkiz the bear became a minor celebrity when a video of her tripping out in the back of a truck went viral.

Though Joshua Dobson managed to get himself fully inside the bear, police quickly noticed that the enormous stuffed animal appeared to be breathing.

Decades after Amelia Earhart disappeared somewhere over the Pacific Ocean in 1937, we still don't know what happened to this trailblazing female pilot.