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.

Between 1931 and 1962, some 2 million prisoners passed through the Arctic gulags at Vorkuta — and 200,000 of them perished from starvation, overwork, and temperatures as low as -40 degrees Fahrenheit.

Though many still believe that George Washington had wooden teeth, America's first president actually wore dentures made of ivory, animal bones, and even human teeth that may have belonged to enslaved people.

In the mid-20th century, Harry Harlow conducted cruel experiments on baby rhesus monkeys to prove that the bond between mother and child went far beyond the need for food.

In 1989, Lyle and Erik Menendez brutally murdered their parents in their Beverly Hills home. Then, they made shocking allegations of abuse in court.

Determined to prove that ancient peoples could have made contact with one another across the oceans, Norwegian ethnographer Thor Heyerdahl built a raft out of balsa logs and hemp rope — and successfully used it to cross the Pacific Ocean in 1947.

From his brutal murders to his obscene wealth, discover some of the most astonishing facts about the notorious Colombian drug lord Pablo Escobar.

The candidates for who has killed the most people in history range from despotic leaders to imperial rulers, all of whom killed millions of people during their bloody reigns.