The day after the Tiananmen Square massacre, a lone protestor starred down a column of Chinese tanks in Beijing. His identity remains unknown, but the world knows him as the "Tank Man."

In the decades after Selena Quintanilla's murder by Yolanda Saldívar in March 1995, fans of the "Queen of Tejano Music" still mourn one of the music industry's biggest losses.

On January 30, 1972, a.k.a. Bloody Sunday, British soldiers brutally killed 13 unarmed civilians who were participating in a civil rights march in the Northern Irish city of Derry.

Marilyn Monroe's mother Gladys Pearl Baker was a single woman living with paranoid schizophrenia when she gave birth to the future icon, and their relationship remained strained until Monroe's sudden death.

The golden-colored silk of the banana spider — the aptly named golden silk orb-weaver — is stronger than steel and tougher than Kevlar.

Dutch Christmas traditions have long included a blackface servant known as Zwarte Piet, but anti-racism activists are now calling for this to end.

On March 31, 1995, Selena Quintanilla was shot to death by Yolanda Saldívar. Here's what happened to Selena's killer — and where she is today.

Ivan Milat had a history of violence. By 13, local authorities had him on their radar. By 19, he was a convicted thief. It wouldn't be long before he became the "backpacker murderer."

Robert Johnson was a guitar virtuoso who played across the South in the early 1900s, but much of his life remains a mystery, leading fans to fill in the blanks with outlandish myths.

On February 21, 1965, Malcolm X was killed while speaking at the Audubon Ballroom in New York City. To this day, the truth about his assassination remains unresolved.

Shoebills are famously intimidating, standing at five feet tall with a seven-inch beak that's strong enough to tear through six-foot fish.