Princess Diana shakes hands with an AIDS patient without gloves, 1991

Princess Diana shakes hands with an AIDS patient without gloves, 1991

In 1971, John List murdered his entire family, claiming it was to save their souls. After carefully arranging their bodies in sleeping bags, he methodically cleaned the scene, removed himself from family photographs, turned on a religious radio station, and vanished.

Five mentally disabled men abandoned their car in the Yuba County wilderness and vanished. Later, four of their bodies were found. One had survived two months in a trailer but ignored the food and supplies inside the trailer. Nobody knows what happened to them.

Actor and martial arts star Jackie Chan at the benefit concert in Hong Kong supporting Tiananmen Square protesters, 1989

Actor and martial arts star Jackie Chan at the benefit concert in Hong Kong supporting Tiananmen Square protesters, 1989

Actor and martial arts star Jackie Chan at the benefit concert in Hong Kong, in support of Tiananmen Square protesters - 1989

Photographer Margaret Bourke-White taking a photo from the top of the Chrysler Building, 1935.

A man with his wife and 13 children in Louisiana, 1938.

The Roman Emperor Nero found a boy named Sporus, who looked Like his deceased Wife, so he had him Castrated, put in female attire, and made his entire Court play along.

Baba Anujka was an accomplished amateur chemist and serial killer from the village of Vladimirovac, Yugoslavia, who poisoned between 50 and 150 in the late 19th and early 20th centuries.

A box found in serial killer David Parker Ray's "Toy Box." His victims' heads would be put inside this box while they were tortured.

Actress Anita Ekberg meets Paparazzi outside of her house with a bow and arrow after being relentlessly followed by them all night. 1960.

Actress Anita Ekberg meets Paparazzi outside of her house with a bow and arrow after being relentlessly followed by them all night. 1960.

Actress Anita Ekberg meets Paparazzi outside of her house with a bow and arrow after being relentlessly followed by them all night. 1960.

The great smog of London in 1952 was so bad that pedestrians couldn't even see their feet. Some of the 4,000 who died in the 5 days it lasted didn't suffer lung problems – they fell into the Thames and drowned because they could not see the river

Trịnh Tố Tâm being awarded the "Heroic American Killer" medal for the 53rd time, 1971

Trịnh Tố Tâm being awarded the "Heroic American Killer" medal for the 53rd time, 1971

Gary Ridgway, the Green River Killer, with his last wife. At the time of this photo, he had killed over 50 women.

Kathrine Knight was Australia’s 1st woman to be sentenced to life in prison without parole for murdering her partner, John Price, and attempting to serve him in a pot of vegetables to his children.

Two kids find a 1974 Ferrari Dino buried in a lot while playing, 1978

20,000 Americans attend a Nazi rally in Madison Square Garden, February 20, 1939

20,000 Americans attend a Nazi rally in Madison Square Garden, February 20, 1939

Young men carrying rods of pasta for drying, Italy, 1947

Young men carrying rods of pasta for drying, Italy, 1947